[2] High school basketball player Kōichi Mizuki is suddenly summoned to a world populated by giants.

He is met by Caius Lao Bistail, the prince of the world, who immediately asks Kōichi to marry him.

The series is produced by Studio Hōkiboshi and Comet Company, with the primary production staff composed of Rei Ishikura [ja] as director, Eeyo Kurosaki as scriptwriter, and Shinichi Yoshikawa as both character designer and chief animation director.

[4] Two versions of each episode are produced: a "premium edition" that airs on the digital distribution platform ComicFesta Anime, which includes sexually explicit content, and an edited version that airs on Tokyo MX, YouTube, and Niconico which removes sexually explicit content.

[29] An audio drama CD was included with the first tankōbon volume of the manga series, featuring Itō and Ono as Kōichi and Caius, respectively.