The day the little aristocratic tyrant, Roel Ascarte, met his younger foster sister was the day he regained his memories of his past life—and realized that this was the world of a popular gal game that he had played before. What’s more, he was the main route's antagonist! Just how can he avoid his demise? Now that Roel has awakened to the system, he sets off on the path of self-preservation!

贵族恶少罗亚·阿卡特在见到义妹的当天想起了前世的记忆，发现这里是曾经玩过的galgame的世界，而自己是游戏中公共线里绕不开的大反派。 如何才能回避掉自己的破灭结局呢？罗亚觉醒了系统，开始了求生之路。