Chiruran One-Half

• Ja Kanji — ちるらん 新撰組鎮魂歌 • Ja Romaji — Chiruran: Shinsengumi Chinkon-ka • Genre — * Action • Drama • Historical

• Type — manga • Author — Shinya Umemura • Illustrator — Eiji Hashimoto (manga artist) • Publisher — Coamix • Publisher En — Mangamo (digital) • Magazine — Monthly Comic Zenon • First — October 25, 2010 • Last — April 25, 2023 • Volumes — 36

• Type — manga • Title — Chiruran Nibun no Ichi • Author — Shinya Umemura • Illustrator — Eiji Hashimoto • Publisher — Coamix • Magazine — Monthly Comic Zenon • First — May 25, 2016

• Type — tv series • Director — Fumie Moroi • Studio — LandQ Studios • Licensee — Crunchyroll • Network — Tokyo MX, KBS Kyoto, Sun TV • First — January 9, 2017 • Last — March 28, 2017 • Episodes — 12

• Type — drama • Director — Kazutaka Watanabe • Producer — Akira Morii • Writer — Masaaki Sakai • Music — Yoshiaki Dewa • Studio — The Seven • Licensee — U-Next HBO Max (worldwide) • Network — TBS • First — March 26, 2026 • Episodes — 2 Chiruran: Shinsengumi Requiem, also known as The Shinsengumi, is a Japanese manga series written by Shinya Umemura and illustrated by Eiji Hashimoto (manga artist). It was serialized in Coamix's Monthly Comic Zenon from October 2010 to April 2023, with its chapters collected in 36 tankōbon volumes.

Explores the life of Hijikata Toshizo as he goes from a violent street brawler to joining the Shinsengumi.

Written by Shinya Umemura and illustrated by Eiji Hashimoto (manga artist), Chiruran: Shinsengumi Requiem started in Coamix's Monthly Comic Zenon on October 25, 2010. the manga finished serialization in the magazine on April 25, 2023. Coamix collected its chapters in thirty-six tankōbon volumes, released from April 20, 2011, to July 20, 2023. The manga is licensed digitally in English by Mangamo under the title The Shinsengumi, in Southeast Asia licensed by M&C!; in France by Mangetsu, and in North America by Titan Comics. A comedy spin-off manga, titled Chiruran Nibun no Ichi (Chiruran ½), began serialization in the same Comic Zenon magazine on May 25, 2016.

An anime television series adaptation based on the Chiruran Nibun no Ichi comedy spinoff manga was announced in September 2016. The series is produced by LandQ Studios and directed by Fumie Moroi; and aired from January 9, 2017, to March 28, 2017, on Tokyo MX, it ran for 12 episodes. Crunchyroll added the series for streaming as it aired in Japan.

A stage play adaptation of the manga was announced by Coamix in February 2017. It ran April 7–10, 2017, at Osaka's Morinomiya Piloti Hall and April 20–30 at Tokyo's Galaxy Theater. The play was directed by Shunichi Okamura.

On September 27, 2017, a drama CD was released by Frontier Works.

A live-action television drama adaptation was announced on October 3, 2025. Directed by Kazutaka Watanabe and written by Masaaki Sakai with music composed by Yoshiaki Dewa, it premiered March 26 and 27, 2026 on TBS as a two-episode special, and later on the U-Next service as a series. The series will be streamed worldwide on HBO Max on May 9 of the same year. Its official name, as announced on the official X, is Song of the Samurai.