Yuuma Fujikura is a constantly bullied first year high school student. When a classmate named Ryou Amezato, nicknamed "Amelie," helps him out one day, Yuuma tells him not to get any more involved, or else the bullies will target Amelie too. In response to this, Amelie only tells Yuuma that he would commit murder for him if Yuuma wanted.

Ren is a young man who has had a hard time because he is not good with women. In order to overcome his weakness, he enrolls in Somenoe University, a highly selective university with a 90% female ratio. He finds himself living in a former women’s dormitory where there are only two men, including himself! Nervous and anxious about his future life, Ren moves in with his senior classmates. On his first day at the dormitory, a senior female student, Kou, made him a visit at night! It seems as his life in a harem is about to begin, but things take a sudden turn when a female corpse is found dead in the university. Moreover, there is something strange about the atmosphere of the university and the way the girls look at him. Is this place just a normal university, or maybe...!?

Fujishiro Naito, high school year 1, is really bad with girls. Dodging girl after girl, he’s finally managed to enter the boys-only school of his dreams… Or so he thought! Little did he know that the school is becoming a coeducational school from this year!! Having realized this fact only on opening day, Naito stood at a loss right in front of the school gate. It was then that he met the girl nicknamed “the Pure White Princess” – Ichinose Himeka…

Monsters were hunted for their Monsters Organs that are then implanted into humans to try to achieve eternal youth and eternal beauty. But the implants aren`t always successful. Most have reactions to the implants. But a normal doctor cannot remove them once implanted. Asura is the last surviving monster and the only one that can remove these monster organs…