Yep, that title pretty much says it all. Based on the light novels by Hajime Taguchi, Kono Naka ni Hitori, Imōto ga Iru! (One of Them is My Younger Sister!) follows a teenage guy who has to marry a girl from a specific school in order to secure his inheritance. The catch? One of the girls attending the school is his long lost sister.
Check out the latest preview below.
One of Them is My Younger Sister!—directed by Kissxsis‘s Munenori Nawa—kicks off on Japanese TV this July. Will he? Won’t he? I’m… afraid to find out!