I Was Reincarnated as a Mob Character in an E*oge Game, and While I Was Cheering for My Favorite Losing Heroine’s Love From the Shadows, I Somehow Managed to Destroy the Scum Protagonist’s Harem Entirely

Native title: エロゲのモブキャラに転生した俺、推しの負けヒロインの恋を陰から応援してたら、なぜかクズ主人公のハーレムを全壊させていた