The continental war that engulfed Terra came to an end, a new star rose, and the throne fell;

The pharmaceutical company Rhodes Island, ruled by a man known only as 'Doctor', has become a giant corporation with immense power over Terra.

He conquered the terminal mineralopathy and took charge of everything during the civil war in the Ursus Empire and the struggle for the throne of Victoria.

Just to achieve his ultimate goal.

——"Live a peaceful and ordinary life with the young female operators."

Although he didn't seem to notice, the girls' attitude towards him had quietly changed.

[Apocalypse + Heroine + Natural Disaster + System + Superpowers + Building Power] A crossover anime world, apocalyptic rewards. Xia Yu awakens a heroine encyclopedia system; collecting heroines makes him stronger. While others starve, Xia Yu feasts on delicacies every day. While others struggle to survive, Xia Yu is surrounded by heroines. [Yukino Yukinoshita: Evil Xia-kun, is this imprisonment game fun?] [Saya Takagi: You bastard, I don't like this feeling!] [Eriri: Baka! I, I don't like you!] [Chizuru Shiina: I've already turned into Xia-kun's shape!] ...