Season 1 Episodes12

E1 8.0

A Ninja and an Assassin Meet

E2 7.8

Daily Life of a Ninja and an Assassin

E3 7.9

A Ninja and an Assassin's Job

E4 8.0Now viewing

A Ninja and an Assassin's Relationship

E5 7.8

A Robot and an Assassin Under One Roof

E6 7.3

A Busty Girl and an Assassin Under One Roof

E7 8.1

An Assassin and Her Classmate's Friend

E8 8.0

A Ninja and an Assassin's Big House

E9 7.9

A Ninja and an Assassin's Experiment

E10 8.2

A Ninja and a Baby Assassin

E11 8.6

A Ninja and an Assassin's Big Dilemma

E12 8.2

A Ninja and an Assassin Under One Roof

Cast5

Haruna Mikawa

Satoko Kusagakure / Roboko (voice)

Kana Hanazawa

Konoha Koga (voice)

Yu Serizawa

Marin Izutsumi (voice)

Eri Kitamura

Kuro (voice)

Rumi Okubo

Yuriko (voice)

Crew4

Koji Matsumura

Director

Shiyo Hatsumida

Storyboard Artist

Kanon D-dur

Key Animation

Da Thao

Background Designer

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Episode Summary

"A Ninja and an Assassin's Relationship" is episode 4 of A Ninja and an Assassin Under One Roof season 1. It scored 8.0/10 from 38 votes, ranking #6 of 12 episodes this season (season average 8.0). Directed by Koji Matsumura, it aired on May 1, 2025.