Shoujo Ramune

Based on the erotic game by Tanuki Soft. Kiyoshi Tachikawa runs a candy store located in a small town on the outskirts of Tokyo. He had quit his previous job to get away from the commotion of a major city and now enjoys his days surrounded by little girls. Kiyoshi's shop is regularly visited by three girls in particular: Chie Sayama, Tenka Adachi, and Komako Semenovich. Due to his friendly and easygoing demeanor, the not-so-innocent girls quickly take to Kiyoshi, seeking his attention and help with their problems. They soon develop romantic feelings toward him and gladly leave their bodies in his care, passing time in his house by indulging in sexual pleasures. (Source: MAL Rewrite)

Baka na Imouto wo Rikou ni Suru no wa Ore no xx dake na Ken ni Tsuite

Based on the erotic game by Pita Fetish!. To overcome his attraction for his younger sister Hana, Yuuichi Mitsui made sure to enroll at a university far away from his home. Unfortunately, being separated from her only strengthened his feelings. He continues to feel guilty for harboring illicit thoughts when suddenly, Hana shows up at his doorstep on a summer morning, looking more beautiful than ever. However, despite her physical maturity, her intellect is that of a child. Consequently, Yuuichi tries to hold back from laying a hand on his innocent sister. But it is easier said than done, especially when Hana's ignorance—combined with her innocence—makes her a woman that Yuuichi can't help but desire. (Source: MAL Rewrite)

Shoujo Kyouiku RE

Based on the erotic game by Tanuki Soft. Sae Inagaki looks cool and her attitude is even cooler. She’s that honors student that is good at school and sports. But due to her shyness, she can’t communicate well and often spends time alone in the classroom. Her homeroom teacher, Youichi Shiraishi, gives her some attention seeing her alone all the time. Sai falls in love with him because of this. One day, she confesses to him and boldly puts her lips to his. Willing to do anything for him, she does every single thing that he wishes of her. The second episode features Youichi in a different setting of Shoujo Kyouiku RE. Sex with my sister all day and all night! Nana watched a horror movie and can’t sleep by herself today, so she has Youichi sleep with her. Nana was expecting Youichi to tease and play with her body a little. But instead he is fast asleep. Pissed, she starts playing with his body instead.