Sexual Sacrifice

堕落令嬢 THE ANIMATION 箱入りお嬢様寝取られ調教記録 (original title)

Synopsis

With nothing to lose, Yuusuke, a nerdy college student works up his confidence and nerve to ask Yurika, the undisputed hottest woman on campus, for a date. When she surprisingly accepts, his life takes a shocking turn for the best until one day when she mysteriously vanishes! Was it all a dream or was it the beginning of a true nightmare? An intense, darkly erotic mystery unfolds as Yuusuke learns the terrible fate of his golden-haired beloved and the selfless sacrifice she made.