Pleasure in the Dungeon - 1

Brainwashing, Corruption, Demon Girl/s, Demon Lord/King, Dungeon Master, Dungeon/s, Evil Female Lead, Evil Protagonist, Fantasy World, Forced into a Relationship, Game World, Harem Ending, Human Becomes Nonhuman, Human Experiment/s, Hybrid/s, Isekai, Master-Pet Relationship, Master-Slave Relationship, Mind Control, Nun/s, Perverted Female Lead, Perverted Protagonist, Plain-Looking Male Lead, Plain-Looking Protagonist, Rape, Rape as a Start of Relationship, Rapist Protagonist, Rapist/s, Sadistic Protagonist, Sex, Sex Addict/s, Sex Crest/s, Sex Doll/s, Sex Slave/s, Sexual Abuse, Sexual Assault, Sexual Fantasy/ies, Slave/s, Slavery, System, Torture, Unattractive Male Lead, Villain Protagonist, Villain/s