My One-Hit Kill Sister
My One-Hit Kill Sister
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My One-Hit Kill Sister

7.0
Yr 2023
Rt 23m
Status Ended
Animation Comedy Action & Adventure Sci-Fi & Fantasy
Series Brief

Overview

Asahi, a boy who loves video games is killed in a traffic accident and ends up in another world. He tries to enjoy the otherworldly adventuring life he's always dreamed of, but his stats are on the level of an NPC's. He is in big trouble and is being chased by a monster when he hears, "Fear not, little brother!" and the monster is killed in one hit by Asahi's older sister, Maya, who followed Asahi to this world. So Maya has acquired some seriously OP skills, but she takes her adoration of her younger brother to extremes. Thus begins their story about an overpowered older sister with a brother complex and a younger brother with the weakest of stats in another world.

Why fans love it

This 2023 anime adaptation takes the standard isekai setup and tilts it toward a sibling dynamic anchored by an extreme power imbalance. While Asahi ends up in a fantasy world with the limited stats of a background character, the unexpected arrival of his sister, Maya, shifts the tone from a typical hero’s journey to a chaotic comedy. Maya possesses overwhelming strength, yet her primary motivation is an intense, singular focus on protecting her brother at any cost.

The series finds its rhythm in the contrast between these two roles. Yuki Sakakihara voices a protagonist who consistently fails to meet the expectations of his environment, forcing him to navigate dangerous quests while tethered to a sibling whose affection creates as many problems as it solves. By focusing on this specific family tension within a seinen-styled action setting, the show prioritizes the absurdity of their partnership over the traditional progression of a fantasy adventurer.

Featured Players

Cast 20

Shinya Takahashi
as Shopkeeper (voice)
1 episode
Yuma Uchida
as Siegfried (voice)
Azumi Waki
as Sophie (voice)
Haruka Shiraishi
as Maya Ikusaba (voice)
Sora Tokui
as Gloria (voice)
Yuki Sakakihara
as Asahi Ikusaba (voice)
Ami Koshimizu
as Kilmaria (voice)
Rio Tsuchiya
as Tanya (voice)
Konomi Kohara
as Kuon (voice)
Reiko Suzuki
as Hoang (voice)
1 episode
Masafumi Kimura
as Deriven (voice)
1 episode
Yu Kitada
as Ork First Son (voice)
1 episode
Masashi Yamane
as Ork Second Son (voice)
1 episode
Yoshinori Nakayama
as Ork Third Son (voice)
1 episode
Kanon Takao
as Ann (voice)
1 episode
Miyu Hanasaki
as Shopkeeper's Daughter (voice)
1 episode
Kakeru Itou
as Knight (voice)
1 episode
Suzuna Kinoshita
as Girl (voice)
1 episode
Akari Miyazaki
as Resident (voice)
1 episode
Motomu Kiyokawa
as Village Chief (voice)
1 episode
Production Board

Crew

Sound Effects
Series Director
Online Editor
Art Direction
Theme Song Performance
Animation Director
Color Designer
Compositing Artist
Director of Photography
Prop Designer
Signal Match

Crew Similarity

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Shared Emi Takanashi, Shinji Omori, Fumihiro Ozawa
Roles: Producer, Sound Effects
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3 shared crew members
Shared Hiroaki Takagi, Kiyotaka Takezawa, Taichi Atarashi
Roles: Director, Storyboard Artist
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Shared Sora Amamiya, Shiina Natsukawa, Momo Asakura
Roles: Theme Song Performance
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3 shared crew members
Shared Atsushi Tamura, Keisuke Yanagi, Nobuyuki Abe
Roles: Director of Photography, Editor, Sound Director
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2 shared crew members
Shared Maki Yamamoto, Ryota Katsuta
Roles: Color Designer
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Keyword Cloud

Keywords

fantasy world seinen anime isekai based on web novel