A Shut-in High School Student Reincarnates in a Game World as a Villainous Aristocrat – The Worst Villain Who Cuckolds and Kills the Heroine, but When He Aims to Become the Strongest Mob Using His Knowledge of the Game, He Is Doted Upon by the Beautiful G

Native title: ひきこもり高校生、ゲーム世界に転生して悪役貴族となる～メインヒロインを寝取った上で殺す最悪の悪役ですが、ゲームの知識で最強モブを目指したら、秘密結社の美少女たちに溺愛されました～