Mekuru Katsuragi
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The article below is based on non-localized content only available in Japanese.
As such, all information in this article is based on fan-contributed translations.

Every coin has two sides. It's because we hide our tails that we can show our heads to everyone.

Danganronpa Gaiden: Killer Killer

Mekuru Katsuragi (葛城 めくる Katsuragi Mekuru) is a character featured in Danganronpa Gaiden: Killer Killer, a spin-off manga connected to Danganronpa 3: The End of Hope's Peak High School.

Mekuru is a member of Future Foundation and is part of the 6th Division's Special Case Bureau as a special investigator.

Her alternative title is Sleeping Mekuru (眠りのめくる) due to easily falling asleep anytime and anywhere.


The following is based on translations by SHSLScans.

Sleeping Mekuru

Main article: Danganronpa Gaiden: Killer Killer - Chapter 2
Danganronpa Killer Killer Chapter 2 Takumi Hijirihara carrying Mekuru Katsuragi
Mekuru was introduced being carried in the arms of Takumi Hijirihara, where she was dozing. Misaki Asano mistook her for a child, before realizing that Mekuru was the Special Crime Investigation Unit's ace detective, having solved over 100 cases despite her young age. Ikue Dōgami explained that Takumi and Mekuru had known each other for a long time.
Danganronpa Killer Killer Chapter 2 Misaki Asano and Mekuru Katsuragi bound
Later, when Misaki became stumped during her investigation, she asked Misaki to use her special ability, Drowsing Deduction. Mekuru has the ability to learn a cases information, go to sleep, and then identify the culprit's location when she wakes. She fell asleep in Misaki's arms, and when she woke, she identified the location where Rei Shimizu is hiding. However, when Mekuru and Misaki left to investigate the location, they were kidnapped and bound by Ted Chikatilo in order to draw Takumi to Tify Ariake Arena.

Chapter 6 - Possibility of Despair

Chapter 7 - Pre-Wedding Mystery Tour

Chapter 11 - My Buddy is You

Chapter 13 - Killer Killer is Dead

Chapter 14 - Killer Killer


Mekuru has a small figure, with short light brown colored hair and two ahoges, usually hidden under her hoodie and light green eyes. She wears a long jacket with black outlines that reaches her hips, a short skirt, puffy white socks and dark colored sneakers. Her jacket can be zipped all the way up, covering her face.


Much like Chiaki Nanami, Mekuru easily falls asleep anytime and anywhere, gaining the title "Sleeping Mekuru". Despite that, she shows high intelligence, being able to track down a culprit's location after she wakes up and after learning the case's information and going to sleep. People called her ability "Drowsing Deduction".

Mekuru also likes to be spoiled and carried, preferring to perform the Drowsing Deduction in Misaki Asano's arms instead of on the couch.


Takumi Hijirihara

The two seem to have a close relationship, as Takumi is comfortable enough to carry her around and Mekuru gave him the nickname 'Hi-kun.' Misaki states that the two don't interact as simple co-workers and have a deeper relationship.

Misaki Asano

Mekuru appears to be friends with Misaki. She decides to help Misaki out with her case, and offers to go as her partner when Takumi instead decides to go see Rei Shimizu. She refers to Misaki as "Asamin".

Later, Mekuru defended her when Misaki Asano's hunting began and was sad when members from Future Foundation raised the gun on Misaki.


  • "Carry me. I'll sleep better up there." (To Misaki Asano)
  • "I guess I should go too..."
  • "You're lacking composure. How can you even call yourselves adults?" (Meruku protects Misaki)


  • Mekuru's title, Sleeping Mekuru, is a reference to Sleeping Kogoro, a character featured in the series Case Closed (known as Detective Conan in Japan).