Ane wa Yanmama Junyuu-chuu

Based on the CG collections by Chinjao Girl. (チンジャオ娘。). "What's wrong? Do you wanna suck my tits? lol" Placed before scenes of his big sister's defenseless breastfeeding, this little brother finally gives way to his sexual drive...! Will he be able to impregnate her before her husband does!? (Source: DLsite English) Note: It has live-action AV adaptations: EYAN-181 (2022/05/17) and SONE-201 (2024/05/28).</i>

Kaa-chan no Tomodachi ni Shikotteru Tokoro Mirareta. THE ANIMATION

Based on the erotic game by Orcsoft Team Goblin. Naoki overheard his mom having an embarrassing conversation about him with his next door neighbor Shiori. Yet even so, he's still looking forward to the next five days. Naoki's close with his mom, but since they live together he sometimes wants to stretch his wings and fly a little crazy. He wants to be able to fap, without being concerned about his mom or anything! One time Naoki ends up attending an event for his mom's work, but the whole time he was thinking about that super hot porn video his friend showed him. And Shiori's there. They've been neighbors for 10 years, and it wouldn't be strange to call her his second mom. Well, except for the fact that he found her body incredibly sexy... He wouldn't mind losing his virginity to her. But just when Naoki had decided that was impossible, she starts to comment on how handsome he's gotten... (Source: DLsite English, edited)

Aikagi The Animation

Based on the erotic game by Azarashi Soft. It was the last winter of his school life and with entrance exams and graduation edging closer, Nozomu didn’t know what to do. He was told to become independent, but he couldn’t find a suitable place to live by himself. His childhood friend Shiori couldn’t stand watching him in his current state and suggested that he live with her. While he thought that it wouldn’t really make him independent, his parents readily agreed to the idea. Before he knew it, they were living together under the same roof. Their cohabitation was only to last one month. Since it’s only for a short period and she’s his childhood friend, he thought that nothing wrong will happen. However, living together with Shiori revealed to him a side which he hadn’t seen before, and he began to see her as a woman. Where will their relationship end up now that he had begun to have feelings for her?

Harem Time THE ANIMATION

Satou Reiji's life changed when the genealogy was actually discovered. He is the son of a rich man who died recently, and now Reiji is the new ruler of Kamiyama's house. But there is a problem for Reiji. In order for him to be accepted into the house by law, he must provide an heir, and to do so, he must choose a wife from his own harem!

Wife Eater 3

Based on the erotic game by Alice Soft. Akito Natsuki decides to spend his one month long summer holiday in his hometown after his workplace closes down for renovations. With no money and nothing to do he decides to take it easy. At home Miyuri, his sister-in-law he was once fond of, and Sayoko who always treated him like her own son, were waiting for him. Akito tried to hide his feelings as always and acted out the part of the brother-in-law, but after a slip of the tongue his real feelings are revealed. Then his stagnant relationships with Miyuki and Sayoko start to develop again, and eventually he gets deeply involved with them. (Source: Getchu, English)

Aibeya THE ANIMATION

With his parents abroad and his house in renovation all of a sudden, Kouta Kazama ends up staying at the home of his neighbor, Aki Hayama, sharing a room with her. Being childhood friends, they used to be very close, but now, as a man and woman sleeping together, it might not take too long for them to realize their true feelings for each other. (Source: MAL Rewrite)

Ikenai Koto THE ANIMATION

She's been photographed doing something she shouldn't have... Now she's blackmailed into being a plaything for men. (Source: AniDB)