I, Who was Reincarnated into the World of Eroge, Will Make the NTR Heroine Happy with My Love.

Suck it nicely, you weakling! The one servicing that bastard's thing was my beloved girlfriend. There was nothing I could do before that scene... After starting to play an erotic game recommended by a friend, Mitsuki falls head over heels in love with the game's main heroine, Kotoha. But this game is a NTR game in which the heroine is seduced by the player's best friend, Ryou?! While searching...