Kaidou Tsukasa

Yurina Suzukaze is a young lady teacher who is extremely popular with the male students at the school. But she falls into the trap of her colleague, Sakakura, who has an unusual liking for her, and for half a month, she is confined to a training room in the basement of the school, where she is trained as a meat slave.

Yoshizawa Atsushi has a strong fetish for pantyhose. He instantly falls in love with student council president Ninomiya Ai's black tights and joins the council so that he could be closer to her. Unexpectedly, Ai treats Atsushi horribly, which makes him regret joining the council. However, one day he finally manages to avenge himself as he sneaks into the president's office and successfully finds her weakness. He then blackmails her and turns her into his sex slave.

It has been five years since Hiro's older brother passed away, and during those years, he has been living with his brother's widow, Yayoi. Fast forward to the present and his feelings for her are now brighter than ever. Will he be able to confess his feelings towards her? And will Yayoi be able to reciprocate them?

Asagi Igawa is a veteran Shinobu. After defeating an arch enemy a long time ago, she thought she could finally settle down. Yet, her arch enemy was revived from death through a pact made with the head demon in the city and swearing to take revenge on her by hurting those who are close to her. Her boyfriend, sister (a Shinobu) and her are part of the act being abused emotionally and… sexually…

Mizuki Yukikaze, a student at a ninja training academy, learns new demon-fighting techniques. One day, she and her friend Akiyama Rinko decide to infiltrate an evil organization in hopes of finding Yukikaze’s mother; however, to do so, there is a great price they have to pay…

Dark existences were secretly invading Tokyo, the diabolic city. Behind the success of ninjas of justice called Taimanin, the darkness starts the action... Hell knight Ingrid revealed the betrayal of a diabolic doctor, Sabato Kiryuu, who has belonged to a group of darkness, Kanomado. She follows after him who managed to escape from the spot. However, she gets the counterattack from Kiryuu in a certain hideous church and becomes captive. With vengeance, Kiryuu tries to destroy Ingrid's noble soul and decoy her boss, Edwin Black the vampire, into coming to save her. He encourages a group of monsters who have the desire for revenge against Ingrid to disgrace her body... (Source: DLsite)

As punishment for peeping on the busty witch Ms. Yuko, Ichiro Tachibana is mistakenly turned into a tentacled monster by apprentice witch Lily Ramses Futaba. Now in order to survive he needs to absorb energy directly from witches by having sex and filling them with his seed. Luckily, two witches are willing, knowing that if he doesn't he may go berserk and attack other girls.