The Melancholy of Haruhi Suzumiya

Kyon, your typical high school student, has long given up his belief in the supernatural. However, upon meeting Haruhi Suzumiya, he quickly finds out that it is the supernatural that she is interested in; aliens, time travelers and espers among other things. When Haruhi laments about the lack of intriguing clubs around school, Kyon inspires Haruhi to form her own club. As a result, the SOS Brigade is formed, a club which specializes in all that is the supernatural. Much to his chagrin, Kyon, along with the silent bookworm, Yuki Nagato, the shy and timid Mikuru Asahina, and the perpetually smiling Itsuki Koizumi, are recruited as members. The story follows the crazy adventures that these four endure under their whimsical leader, Haruhi. The story is based on the light novels by Nagaru Tanigawa. Note: This entry is for the original 14-episode 2006 airing. The series was further expanded and reordered into <a href="https://anilist.co/anime/4382/Suzumiya-Haruhi-no-Yuuutsu-2009/">a 28-episode series in 2009.</a>

Rascal Does Not Dream of Bunny Girl Senpai

There's a rumor about a mysterious phenomenon called "puberty syndrome." For example, Sakuta Azusagawa is a high school student who suddenly sees a bunny girl appear in front of him. The girl is actually a girl named Mai Sakurajima, who is Sakuta's upperclassman who is also a famous actress who has gone on hiatus from the entertainment industry. For some reason, the people around Mai cannot see her bunny-girl figure. Sakuta sets out to solve this mystery, and as he spends time with Mai, he learns her secret feelings. Other heroines who have "puberty syndrome" start to appear in front of Sakuta. (Source: Anime News Network)

Classroom of the Elite

Koudo Ikusei Senior High School is a leading school with state-of-the-art facilities. The students there have the freedom to wear any hairstyle and bring any personal effects they desire. Koudo Ikusei is like a utopia, but the truth is that only the most superior students receive favorable treatment. Kiyotaka Ayanokouji is a student of D-class, which is where the school dumps its "inferior" students in order to ridicule them. For a certain reason, Kiyotaka was careless on his entrance examination, and was put in D-class. After meeting Suzune Horikita and Kikyou Kushida, two other students in his class, Kiyotaka's situation begins to change. (Source: Anime News Network, edited)

Bakemonogatari

First season of the Monogatari Series, part 1/6. Contains the arcs Hitagi Crab, Mayoi Snail, Suruga Monkey, Nadeko Snake, and Tsubasa Cat from the Bakemonogatari light novels. Thanks to Meme Oshino, Koyomi Araragi, a high school student, is able to remain a human after coming across a female vampire... However, since the incident, Koyomi seems to meet girls who have an apparition-related issue. Hitagi Senjougahara doesn’t weigh anything, Suruga Kanbaru’s right arm becomes like that of a monkey’s, and a young girl, Mayoi, cannot find her way home no matter how many times she tries. Koyomi, a Mr. Nice Guy, ends up helping each and every girl solve her problem with the help of Meme Oshino. (Source: Aniplex)

Kokoro Connect

The five members of the Cultural Research Club - Taichi Yaegashi, Iori Nagase, Himeko Inaba, Yui Kiriyama, and Yoshifumi Aoki - encounter a bizarre phenomenon one day when Aoki and Yui switch bodies without warning. The same begins to happen to the other club members, throwing their daily lives into disarray. At first the five students find some amusement amidst the confusion, but this unwarranted connection also exposes the painful scars hidden within their hearts. As their calm lives are shattered, the relationships between the five students also begin to change... (Source: Crunchyroll, edited)

Horimiya

A secret life is the one thing they have in common. At school, Hori is a prim and perfect social butterfly, but the truth is she's a brash homebody. Meanwhile, under a gloomy facade, Miyamura hides a gentle heart, along with piercings and tattoos. In a chance meeting, they both reveal a side they've never shown. Could this blossom into something new? (Source: Funimation)

Dusk Maiden of Amnesia

60 years ago, a young woman was left to die in the abandoned school building behind the exclusive Seikyou Academy. No one knows why. No one knows how. But the horrifying tale and the legends of the ghostly haunting that followed live on to this day. Perhaps it's not so surprising then, that among Seikyou's many school clubs is one for students interested in "paranormal investigations." What might raise more than a few hairs, however, is that the founder of the club is the ghost herself. Unable to remember how she died and trapped in the grey land between life and death, Yuuko latches onto Teiichi Niiya, a freshman who can inexplicably see her, and together they and the other unsuspecting members of the club begin to unravel the many dark mysteries that surround Seikyou. Will unlocking the secret of Yuuko's gruesome death finally free her? Or will her sudden close association with a mortal have even stranger repercussions on both of their existences? (Source: Sentai Filmworks)

March comes in like a lion

Rei Kiriyama is a 17 year old boy who recently started living alone, financed by his salary as a professional Shogi player. Despite his independence, however, he's yet to mature emotionally, and his problems continue to haunt him in his daily life. His relationship with his adoptive family is strained, and he has difficulties interacting with his fellow high school students. Meanwhile, his professional career in Shogi has entered a slump. Burdened with the heavy expectations placed upon him, his wins and losses are fluctuating as his record and progression into the ranks begin to stagnate. Acquainted with Rei are the three Kawamoto sisters: Akari, Hinata, and Momo. Unlike Rei, they live happily in their modest home, which they warmly welcome Rei into as if he were one of their own. He frequently visits the family, interacting with them and receiving the kind of care and affection he never quite had while under his foster home. This is the story of Rei's triumphs and failures, relationships new and old, and his growth as a person. (Source: TV Tropes)

K-ON!

Hirasawa Yui, a young, carefree girl entering high school, has her imagination instantly captured when she sees a poster advertising the ‘Light Music Club’. Being the carefree girl that she is, she quickly signs up. However, Yui has a problem, she is unable to play an instrument. When Yui goes to the clubroom to explain, she's greeted by the other members: Ritsu, Mio and Tsumugi. Although disheartened at Yui’s lack of musical know-how, they still try to convince her to stay to prevent the club’s disbandment. After playing Yui a short piece which re-ignites her imagination, they succeed in keeping their new member and guitarist. Along with the tasks of school and homework, Yui begins to learn the guitar with the help of the other band members, experiencing many mishaps along the way. However, with the school-festival drawing near and Yui getting stuck with her practice, will the Light Music Club be ready in time for their debut? (Source: MAL Rewrite)

Kaguya-sama: Love is War

Known for being both brilliant and powerful, Miyuki Shirogane and Kaguya Shinomiya lead the illustrious Shuchiin Academy as near equals. And everyone thinks they’d make a great couple. Pride and arrogance are in ample supply, so the only logical move is to trick the other into instigating a date! Who will come out on top in this psychological war where the first move is the only one that matters? (Source: Aniplex)

Toilet-bound Hanako-kun

"Hanako-san, Hanako-san... are you there?"</i> At Kamome Academy, rumors abound about the school's Seven Mysteries, one of which is Hanako-san. Said to occupy the third stall of the third floor girls' bathroom in the old school building, Hanako-san grants any wish when summoned. Nene Yashiro, an occult-loving high school girl who dreams of romance, ventures into this haunted bathroom... but the Hanako-san she meets there is nothing like she imagined! Kamome Academy's Hanako-san... is a boy! (Source: Yen Press)

Clannad

Tomoya is a bitter, third year high school student. His mother passed away, causing his father to resort to alcohol and gambling. Tomoya is distant with his father and has become a delinquent in the years since his mother's death. Walking to school, he meets Nagisa Furukawa who is a year older but is repeating the grade due to illness. She is alone, as most of her friends have moved on. The two begin hanging out, and as time goes by, Tomoya finds his life shifting in a new direction. (Source: Sentai Filmworks)

Violet Evergarden

A certain point in time, in the continent of Telesis. The great war which divided the continent into North and South has ended after four years, and the people are welcoming a new generation. Violet Evergarden, a young girl formerly known as “the weapon”, has left the battlefield to start a new life at CH Postal Service. There, she is deeply moved by the work of “Auto Memories Dolls”, who carry people's thoughts and convert them into words. Violet begins her journey as an Auto Memories Doll, and comes face to face with various people's emotions and differing shapes of love. There are words Violet heard on the battlefield, which she cannot forget. These words were given to her by someone she holds dear, more than anyone else. She does not yet know their meaning but she searches to find it. (Source: Anime News Network)

Haruchika - Haruta & Chika

Things look bleak for the school’s Wind Instrument Club until childhood friends Haruta and Chika step in to save the day. When they aren’t practicing to perfect their own playing, they’re working hard to save the club by recruiting new members. After a series of mysteries shock the school, they’ll have to add junior detectives to their already impressive resumes. (Source: FUNimation)

The Dangers in My Heart

Fascinated by murder and all things macabre, Kyoutarou daydreams of acting out his twisted fantasies on his unsuspecting classmates — but an encounter with Anna Yamada, the gorgeous class idol, lights a spark in the darkness of his heart. It’s a classic tale of an antisocial boy falling for a popular girl, but neither are who they appear to be at first glance. Will Kyoutarou and Anna defy their expectations of each other — and of themselves? (Source: HIDIVE)

Case Closed

Kudo Shinichi is a seventeen year-old high school detective whom people call the "Modern Sherlock Holmes." However, one night after a date with his childhood sweetheart, Ran, Shinichi witnessed an illegal trade and, caught off his guard, was knocked unconscious and fed a drug that was supposed to kill him... but he woke up and found himself shrunken to a seven year-old. In order to track down the men who did this to him, Shinichi hid his identity and lived with Ran, whose father happened to be a hopeless detective, and with that came a series of murders and mysteries that he must solve. (Source: Anime News Network) Note: - Includes Keisatsu Gakkou-hen - Wild Police Story in episodes 1029, 1038, 1042, 1061 - Episodes 11, 52, 76, 118, 162, 184, 208, 342, 356, 449, 452, 487, 488, 489, 490, 515, 516, 521, 522, 651, 734, 804, 805, 927, 928 aired with a runtime of ~50 minutes as opposed to the standard 25 minute long episode. - Episodes 96, 129, 174, 219, 263, 304, 383, 479 aired with a runtime of ~90 minutes as opposed to the standard 25 minute long episode. - Episode 345, 425 aired with a runtime of ~115 minutes as opposed to the standard 25 minute long episode. </i>

Bungaku Shoujo

The protagonist of the story, Konoha Inoue, is a seemingly normal senior high 2nd year student. His high school life, other than a hinted incident 2 years ago, can be summed up as normal- if one can dismiss the secret fact that he used to be a female bestselling romance author. Due to that incident, however, he has now vowed never to write again. This continued on until he was forced to join the literary club by the literary club president, the 3rd year female student Amano Touko, a beautiful girl who has a taste for eating literary works. Now he has been tasked with writing her snack every day after school. (Source: To Say Nothing of the Dog)

Kubikiri Cycle: The Blue Savant and the Nonsense User

It's the vacation of a lifetime, a trip to a remote island filled with geniuses–and murder. On Wet Crow's Feather Island, a tiny speck in the Sea of Japan, lives Akagami Iria, the exiled daughter of a powerful family. Born into great wealth, she was a princess of the highest pedigree–until she was cut off by the leader of the Akagami Foundation. For the last five years, she's lived on Feather Island with her maids. But she hasn't been alone. She has invited the best minds Japan has to offer to come and stay with her. And so nineteen-year-old college student Ii-chan and his best friend, computer genius Kunagisa Tomo, find themselves as Iria’s guests at her elaborate mansion. Surrounded by fascinating women – a chef, a fortune-teller, a scholar, and an artist, not to mention his own friend Tomo – Ii-chan is feeling a little overmatched intellectually. But the sudden discovery of a grisly murder sends the island into shock. And Ii-chan discovers that he does possess a bit of genius: the ability to discover what is real and what is fake, who is who they claim to be and who is a killer. (Source: Del Rey Manga)

Moriarty the Patriot

In the late 19th century, the British Empire nobility reigns while its working class suffers at their hands. Sympathetic to their plight, William James Moriarty wants to topple it all. Frustrated by the systemic inequity, Moriarty strategizes to fix the entire nation. Not even consulting detective Sherlock Holmes can stand in his way. It's time for crime to revolutionize the world! (Source: Funimation) Note: The first episode received an early screening on September 21st, 2020. The regular TV broadcast started on October 11th, 2020.</i>

When Will Ayumu Make His Move?

Ayumu Tanaka just fell in love at first sight with Urushi Yaotome, the head of the illegitimate Shogi Club, and joined the Shogi Club! But Ayumu has vowed not to confess his feelings until he can best Urushi, and he has a long way to go before he can stand up to her strategic brilliance. As Ayumu strives to beat his crush and confess, love becomes a battlefield both on and off the shogi board while audiences wonder, “When will Ayumu make his move!?”</i> (Source: Sentai Filmworks)