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)

Chiccha na Onaka

1. Naisho desu yo. 2. Himitsu no Asobi 3. Emi-chan tte sa

15 Bishoujo Hyouryuuki

Centers on 15 young students who are stranded on a deserted Pacific island by a tumultuous storm.

Momoiro Bouenkyou Anime Edition

Based on the adult doujin by Yasuyuki Watarai. Ema is a good girl living alone without a parent. Only his grandfather left him to replace him as his father Ema. They live together in a spacious house. With a lecherous upbringing of his grandfather who is regarded as Father, Ema increasingly grows into a nasty person over the upbringing and affection of a fanatic from his grandfather. (Source: Nekopoi and Has Been Translated)

HypnoLove

(OVA 1: A Boy's Toy) Shinta Murakoshi just scored the best toy a guy could ever ask for: a hypnotic gun. Armed with the power to make anyone do anything at any time, he sets off to fulfill his fantasies and turn every woman he meets into his secret personal love slave! (OVA 2: Love Trance) Shinta continues to add to his hypnotic harem, but when his latest target, the sexy Midori, comes on to him, he's not sure what to do. Does she actually have the hots for him or is it some sort of trick?

Saimin☆Gakuen

Starting from a bully to a classmate by Princess of a wealthy family and childhood friend who began to be betrayed, makes Yukimasa-kun feel humiliated. Therefore, Yukimasa-kun wants to take revenge on everyone in his school with the Hypnotic technique. Starting from his childhood friends, to the Princess. He took their virginity one by one and made pregnant. (Source: Translated and Edited from Nekopoi)

Succubus Appli: Gakuen Saimin

Ordinary highschool boy Oda Yuma receives a smartphone app called "Hypnos" from a lustful succubus girl. The app can hypnotize women in an erotic way, and as soon as he gets it, Oda tries the app on his sassy gyaru classmate Fujimiya and the head of the school's disciplinary committee, Akizuki Sakuranoi, turning them both into obedient sex slaves!

Debts of Desire

Based on the erotic game by Bishop. Masaki's in trouble. His rich father is about to disown him! But he's still got one last chance: if he can collect on some old unpaid debts, then all will be forgiven. Masaki may be a slacker, but he's quick to realize that the fastest way to collect is to go after the debtors' hot, busty daughters! And so, Masaki's "game" begins. The rules? If the girls can't pay back the debt, they have pay up with all sorts of sexual favors. They'll have to cater to his every carnal demand, fulfill his every fetish... Masaki may not be collecting much money, but he doesn't care – he's surrounded by girls moaning in pleasure and begging for more! (Source: AniDB)

Professor Pain

The students of Aoi College, who are all 19 by the way, have always suspected that Professor Ohse might be some sort of pervert or cretin, but no one could have guessed how depraved he really is. As it turns out, he's really a terrorist who decides to hold the entire campus hostage, and make all of its comely young lasses submit to his desire for torture and depravity. (Source: Anime News Network)

Gakuen Shimai

Arisa and Mika Nanase are sisters and the school super-idols. They are the hottest and cutest girls in the school. Sousuke is a normal student who like the rest of the boys, can only look at the super-idol sisters from afar. Sousuke likes Arisa but can never hope to even speak with her. One day Mika tells him she want to speak with him after school. Later, he meets with Mika and Arisa and they reveal that they have now become siblings! The truth is that Sousuke's father, an adventurer, and the Nanase sister's mother, an archeologist, met at an excavating ruin in South America, fell in love, and married. Mika, Arisa, and Sousuke are now siblings and will live under the same roof from now on. Sousuke now has to be careful to not get caught masturbating by Mika or Arisa ...or maybe they might just give him a helping hand... How about taking a bath with Mika? ...Siblings do bathe together after all...