3Ping Lovers!☆Ippu Nisai no Sekai e Youkoso♪ THE ANIMATION

Based on the erotic game by Hadashi Shoujo. An Otaku stuck in the world of RPG Eroge game, when being attacked by a monster he was suddenly saved by the Heroine he had. From that moment they embark on the adventure and enjoyment of the harem sex. (Source: Nekopoi and Has Been Translated)

Succubus Yondara Haha ga Kita!?

Based on the CG collection by Chinjao Girl. (チンジャオ娘。). Takashi tries out a succubus summoning circle he found online, and it works! The only problem is that the one he summoned ended up being his mom... "There's no way my mom is this much of a slut!"</i> he thought. But oh, how wrong he was... (Source: DLsite English)

Succubus Stayed Life The Animation

After living an uneventful life, our protagonist finds himself in a situation he absolutely was not prepared for! Being drained constantly of his seed to appease the lust and hunger of the succubus he now finds himself attached to.