Yamizome Liberator

Haruomi was a hero sent to another world to kill the demon lord and when he did, he wished to going back to Earth along with the Goddess Ninia, however she denied to go with him and decided to just sent him back to Earth alone. He was, once again, in earth attending a very prestigious school he is a part of the student council which he wish to turn into his harem. After trying to save a friend of his, Haruoumi find he has the demon lord's soul he killed within him, not only that but the goddess knew that the demon lord's soul went to earth so she selected a few girls that have been previously sent to another worlds to fight demons lord and gave them once again power in order to kill him and destroying the demon lord's soul. Now he has no choice but cooperate with the demon, so he'll try corrupt the heroes and get their magical power in order to save himself, get his long wished harem and be free of the demon lord soul.

Haruomi's journey began at the elite Shuokan Gakuen College when he was chosen by a Goddess called Ninia to confront the terrorizing dreaded Demon Lord in another world. With courage and determination, he accepted the challenge, and after a great adventure in the other world, he defeated the Demon Lord and became a Hero. Amid this adventure, Haruomi made a shocking discovery: the essence of the Demon Lord was still inside him. Haruomi's life becomes the target of the heroines who are cooperating with the Goddess. And it turns out that the heroines are beautiful girls from the college's student council... Dive into an unforgettable adventure with Yamizome Liberator. Immerse yourself in this epic game featuring professional Japanese voice acting and a diverse cast of characters.