#A Ninja and an Assassin Under One Roof Reveals 3 New Cast Members

Three more new cast members have been revealed for the upcoming A Ninja and an Assassin Under One Roof TV anime series. The new cast announcement was made during AnimeJapan 2025, with the series scheduled to begin airing in Japan on April 10, 2025. 

The three additional cast members joining the series include Yui Ogura as Aoko Yoshida, M.A.O as Fumiko Kusagakure, and Kyoka Moriya as Michiru Kusagakure. 

They join the anime’s main voice cast that includes: 

• • Yu Serizawa as Marin Izutsumi
• • Eri Kitamura as Kuro
• • Rumi Okubo as Yuriko
• • Kana Hanazawa as Konoha Koga

Yukihiro Miyamoto (Puella Magi Madoka Magica) is directing the anime, with Fuyashi Tou (Monogatari Off and Monster Season co-series screenwriter) as series screenwriter,  Kazuya Shiotsuki (Luminous Witches animation character designer and co-chief animation director) as character designer and chief animation director, and Ryunosuke Kasai (7th Time Loop: The Villainess Enjoys a Carefree Life) as music composer. Shaft is handling the animation production for the series. 

The anime (also known in Japanese as Ninja to Koroshiya no Futarigurashi or NinKoro) is based on the manga by HundredBurger and began serialization in Kadokawa’s Comic Dengeki Daioh G on February 26, 2021. Four tankobon volumes have been released as of April 2024, with a fifth volume set for release on March 27, 2025. 

Crunchyroll will stream A Ninja and an Assassin Under One Roof worldwide, outside of Japan, and describes the main synopsis as: 

On the way home from school one day, Konoha Koga rescues Satoko Kusagakure, a ninja who escaped her village. Soon, pursuers from the village show up in search of Satoko only to be deftly dealt with by Konoha. As it turns out, the unassuming high schooler is actually an assassin. Thus, the potentially cutthroat cohabitation of a ninja and an assassin begins!

Source: Ninkoro Official Twitter, Comic Natalie