Tentacles x Gangbang x Purification SEX! The tale of a human woman who fell to the demon realms and was captured by a demon. Her body is sexually trained to become a guinea pig research vessel for lab creat...

Masahi is a salaryman who’s also an ero-game maniac. Today he’s going to play another game, when suddenly a beautiful prince from another world with a tail and horns comes out of his computer screen?! ...