Kono Naka ni Hitori, Imouto ga Iru!

この中に1人、妹がいる！

Where to Read Officially

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Quick answers

What kind of title is this?: Light Novel.
How many volumes are there?: 11 volumes are listed.
How many chapters are there?: 87 chapters are listed.

Synopsis

About Kono Naka ni Hitori, Imouto ga Iru!

At his father's will, Shougo was transferred to an academy where a lot of girls attend. "While attending an academy find a girl that will be your partner" - in other words his father's will was for Shougo to make a girlfriend. On Shougo's birthday he receives a cake from an unknown person. Then he gets a phone call saying "Happy birthday, Onii-sama! I adore you very much." It looks as though his little sister, who was separated at birth also attends this academy, and is trying to get closer to him without letting him know who she is. Can Shougo "properly" reunite with his little sister, and make a girlfriend!?

Comedy Romance