Alternate Titles
Kono Naka ni Hitori, Imōto ga Iru! - Japanese
Who is "Imōto"? - Japanese
この中に1人、妹がいる！ - Japanese
Kono Naka ni Hitori Imouto ga Iru! - Japanese
My Sister Is Among Them! - English

Content: Teen

Synopsis
Mikadono Shougo is the son and heir of the late Mikadono Kumagorou, a wealthy business man who left his corporation to his son under the conditions that he first acquire a wife and start a family before taking over as head of the company. While attending the funeral for his father, Shougo hears the voice of a mysterious girl who claims to be his little sister and, upon further investigation, learns that there indeed exists an illegitimate Mikadono daughter. Now Shougo must attend Miryuuin Academy (his father's old school) in hopes of finding a potential future wife and uncovering the mysterious identity of his sister all while avoiding scandalizing the Mikadono name. It won't be an easy task since multiple girls are all vying for his attention and Shougo fears that his little sister may be among them!

Audiences: Shōnen
Genres: Romance
Themes: High School, Reverse Harem

Episodes: 12 (24 min)