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Is Kono Naka ni Hitori, Imouto ga Iru! finished?

Table of Contents

In this post, we take a closer look at the current status of the series “Kono Naka ni Hitori, Imouto ga Iru!”, also known by the following titles:

  • NAKAIMO - My Little Sister Is Among Them!
  • この中に1人、妹がいる!
  • NakaImo
  • One of Them is My Younger Sister!
  • Who is Imouto?

Status
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Based on our analysis, the series is NOT FINISHED. ❌

Here’s how we reached that conclusion:

  • All related entries are marked as finished on MyAnimeList
  • The series is listed as ended on Trakt
  • The original source material has not been fully adapted, according to MangaUpdates

Taken together, these points indicate that Kono Naka ni Hitori, Imouto ga Iru! is still ongoing in some form.

Watch order
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Kono Naka ni Hitori, Imouto ga Iru!

August 25, 2010
Finished Light Novel
この中に1人、妹がいる!
My Little Sister is Among Them!
SummaryAt 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!?

(Source: MU)

Kono Naka ni Hitori, Imouto ga Iru!

May 27, 2011
Finished Manga
この中に1人、妹がいる!
My Little Sister is Among Them!
SummaryAbiding 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, and that she is trying to get closer to him without letting know him 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 and while making a girlfriend at the same time?!

Kono Naka ni Hitori, Imouto ga Iru!

July 6, 2012
Finished Airing TV
NAKAIMO - My Little Sister Is Among Them!
この中に1人、妹がいる!
SummaryShougo Mikadono's father has just passed away, and now he must become the head of Mikadono Group, his father's company. After completing the training to take over, there is just one other stipulation he must adhere to: he will need to find a girl he loves at his new school and marry her by the time he graduates high school.

Shougo transfers to Miryuin Private Academy, and it seems like he has many girls to choose from, such as Konoe Suruma, the class representative as well as his first new friend; Miyabi Kannagi, a standoffish but kind girl; Rinka Kunitachi, the student council vice president; Mei Sagara, who runs a cafe and dresses like a witch; and Mana Tendou, the student council president. However, there is a complication: one of them is his long-lost half sister, and he has no idea which one, so how can he become romantically involved with any of them?

[Written by MAL Rewrite]