is a Japanese manga series written and illustrated by Yoshimurakana. It began serialization in Square Enix's manga magazine Young Gangan in August 2013. An anime television series adaptation produced by Satelight and Staple Entertainment is set to premiere in January 2027.
Synopsis Serial killer Kuroko Koumori is originally on death row after killing 715 people since childhood. However, since her hometown is overrun with crime, the government indefinitely stays her execution in exchange for her cooperation in hunting down and killing criminals the police fail to apprehend, to which Kuroko agrees. She is accompanied by Hinako Tozakura, a driving expert; and Chiyo Yanaoka, daughter of a notorious yakuza boss.
Media Manga Written and illustrated by Yoshimurakana, Murciélago began serialization in Square Enix's manga magazine Young Gangan on August 16, 2013. The series' chapters have been compiled into twenty-nine volumes as of July 2026.
During their Anime Expo 2016 panel, Yen Press announced that they licensed the series for English publication.
A spin-off manga focusing on the character Reiko Kuchiba, titled Murciélago Byproduct Araña and illustrated by Shin Arakawa, was serialized on Square Enix's Manga Up! app from January 12, 2018, to June 26, 2020. The spin-off's chapters were compiled into five volumes from June 25, 2018, to July 22, 2020.
Volumes
Murciélago Byproduct Araña
Anime An anime television series adaptation was announced during NBCUniversal Entertainment Japan's panel at Anime Expo in July 2026. The series will be produced by Satelight and Staple Entertainment and directed by Matsuo Asami, with Takashi Naoya serving as chief director and handling series composition, Kiyoshi Tateishi designing the characters, and Masanori Akita and Yuichi Tsuchiya composing the music. It is set to premiere in January 2027. Sentai Filmworks has licensed the series in North America for streaming on Hidive.
Other The series has had collaborations with gravure idol Hikaru Aoyama, cosplayers Nekomu Otogi and Hina Takane, and the manga series Caterpillar by Shinya Murata and Tokisada Hayami, and Trash by Kenji Yamamoto and DP.
A motion comic featuring the voice of Romi Park was released on the website ENSOKU on July 3, 2015.
Reception The series was recommended by novelist Yusuke Kishi.
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