Alternative title:

NAKAIMO - My little sister is among them!
Who is "Imōto"? (Japanese)
この中に1人、妹がいる！ (Japanese)


Plot Summary: Abiding by his father's will, Shougo was transferred into an academy where many young girls attend. It appears as though his younger sister (separated from him at birth) also attends this academy. She is trying to get closer to him without letting him know who she actually is. Problem is, Shougo seems to be popular with the other girls as well! Can Shougo "properly" reunite with his little sister while getting a girlfriend at the same time?! -AniDB



UTW - Episode 01