Kojima Natsuki
Series: AKB48 Murder Mystery
First Appearance: Testimony File
Last Appearance: Testimony File
Number of Episode
1 (Testimony File)
Actor: Kojima Natsuki
Nattsun's Testimony

Kojima Natsuki (小嶋菜月?), nicknamed Nattsun (なっつん?), is part of AKB48's Research Students (Team Kenkyuusei). She is one of the primary characters in AKB48 Murder Mystery series. She was based on Kojima Natsuki.

Manga Version

Chapter 1

All 89 members of AKB48 went to a duplex island owned by one of Akimoto Yasushi's friends for a CM Shoot. After their first day shoot was over, they went to their designated resthouse on the other island. It was assumed that she heard that Kato Rena was missing and was shocked to learn that the scream they heard was from Sashiko finding the girl's lifeless body in the dining hall.


"When I saw that Yuko-san was killed, I was scared! I screamed without thinking. Ah, but that time, it seemed like there were some members who didn’t look that surprised…"
―Kojima Natsuki's Testimony[Testimonials and Alibis (src)]
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