Overflow

"Brother, are we really taking a bath together?" And so, a forbidden bathing experience began. Me, my sister, and childhood friend—one man and two women—are sharing one bath. After involuntarily "overflowing," the sister's secret love come out?! This is a young romantic comedy that won't let you say, "it's over!" (Source: Official Site)

Kutsujoku

Based on the erotic game by Bishop. Even though Souichi Takazaki is just a normal student, he's forced to attend an elite school in accordance with his father's will. Worse still, because everyone feels superior to him, he can't blend in with the crowd and is always alone. However, in the midst of it all, there's still someone who treats him without discrimination, Ayana, and she becomes his moral support. But after an incident occurs, he misunderstands that she also disdains him like everyone else. Affection turns into resentment. And as a result, the protagonist discovers something interesting -- He has the ability to manipulate others, but only their body, not their mind. And thus, he decides to use this new-found power to satisfy his every desire. (Source: Official Site)

Ane Yome Quartet

Based of the erotic game by Candy Soft. The Hanabishi family and Hidaka family are next door neighbors. The fathers of both households could be called best friends, so they all get along like one big happy family. In particular, Hidaka family’s only son Kouki was raised lovingly by the four Hanabishi sisters like he was their own brother. One day, the Hanabishi and Hidaka parents were preparing for a long term overseas business trip together. Kantaro Hanabishi had only one problem holding him back from the trip; leaving his four daughters behind in Japan. “Leave it to me. You can rely on me to watch over them!” As a result of Kouki’s casual announcement, both parents happily departed on their trip. “Ooh, how reliable! That was what I was waiting to hear!” Between both of the parents, they had arranged for one of the four sisters to become Kouki's fiance. After Kouki's graduation they would continue discussion of it further, but this recent event gave a chance to accelerate their plan. Thus, all summer vacation Kouki will spend time alone under one roof with all four of the Hanabishi sisters. The eldest daughter Yurina: Despite being good at her job, While at home she lazes around and makes Kouki work hard. The second born daughter, Momone: Absolutely adores Kouki, and does nothing but spoil him. The third daughter, Saori: She does all the housework, and although she is like a maid she prefers it to going outside. The youngest daughter, Anzu: Has no reservation in calling Kouki her personal play toy. Each of them have their own motives doing anything they can; at times even tempting him into sexual situations, so they can draw closer to making the Kouki they love their husband. If Kouki ever chooses a bride, who will it be? The energetic life with the quartet of sisters is about to begin.

Kakushi Dere

Episode 1</b> Kakushi Dere</i> Nonoka goes out of her way to make a written confession to the older brother of one of her classmates, but he doesn't even read the letters. This prompts her to stop by in person, and express her "hate" for him through various antics... Episode 2</b> February 14</i> The second episode is about Makoto and his step-sister Misaki (who is about as tsundere as you can get). Misaki secretly has feelings for Makoto and one day is accidentally caught by him while masturbating in his room. Despite Misaki being an extreme tsundere, they finally both convey their feelings to each and have sex. Episode 3</b> Ubu x Ubu Syndrome</i> Taiki confesses to his highschool crush, Mihashi Chizuri, not knowing about a nasty rumor between her and Ikeda-sensei. After hearing about the rumor and confronting his now-girlfriend about it, Taiki is relieved to know there was no truth to it. The couple then have sex for the first time, although throughout the episode Taiki had been fantasizing about his girlfriend in various sexual situations.