An 18-year-old poor college student tried to apply for a job as a tutor but his life almost ended as demons' meal. In his last breath, a mysterious woman gave him a strange power. When he opened his eyes he had turned into a demon with a system that will turn him into... A pervert. Now he must live with his dual identity as a model student named Ethan and an incubus named Damian, while conquering MILF, monster girl, beautiful elf, demon loli which sometimes leads him to complicated relationships. Other tags : Hiding Identity, Monster Girls, Tentacles, Character Development, Weak to Strong. *Most of my story has a big harem, I'm not interested in writing a small harem with only two or three girls. The MC is not an arrogant type and doesn't carelessly kill people nor let the others died in his presence. He also doesn't treat his woman as a sex object. Even though this is a harem story, some parts of this story will make you tear up and have some funny scenes.