I Reincarnated as the Idiot Prince Who Gets What He Deserves in an Otome Game, So I Plan to Live as a Muscle-Brained Character to Avoid Death Flags. Nobody Told Me That the Girl Who Broke-Off Her Engagement and My Clingy Little Sister Would Turn Yandere!

otome gē no zama asareru baka ōji ni tensei shitanode , shibō furagu kaihi no tame nōsuji ni ikiyō to omō . konyaku haki reijō to hoshigari imōto ga ru toka kītenē · 乙女ゲーのざまぁされる馬鹿王子に転生したので、死亡フラグ回避のため脳筋に生きようと思う。婚約破棄令嬢と欲しがり妹がヤンデレるとか聞いてねえ！