The WORST episodes of My One-Hit Kill Sister

Every episode of My One-Hit Kill Sister ever, ranked from worst to best by thousands of votes from fans of the show. The worst episodes of My One-Hit Kill Sister!

The story follows Asahi Ikusaba, a high-school student who got lost and ended up in another world. He has knowledge of video games and fantasy worlds, but he is weak and does not have any "cheat abilities." He finds his older sister Mayu in the other world, and she has the strongest cheat ability and also has a brother complex.

Last Updated: 9/25/2024Network: Tokyo MXStatus: Ended
Did You Call for Your Big Sister?
star
6.69
42 votes

#1 - Did You Call for Your Big Sister?

Season 1 - Episode 1 - Aired 4/8/2023

Asahi is your average game otaku. Just when he thinks his life is over, he gets another chance in a world that seems just like an RPG! But he doesn’t have the cheat skills that isekai heroes usually have. Instead, someone familiar swoops in to save him.

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Big Sister Forever
star
6.95
19 votes

#2 - Big Sister Forever

Season 1 - Episode 12 - Aired 6/24/2023

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You Call Me Your Sister?
star
7.09
32 votes

#3 - You Call Me Your Sister?

Season 1 - Episode 2 - Aired 4/15/2023

Asahi takes on an easy quest gathering mushrooms to gain experience points, but it ends up being more than he bargained for when a bear appears! He flees right into an unexpected, warm embrace. The softness, the strength… Wait. It’s not Maya-nee?!

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The Hero and the Big Sister
star
7.17
23 votes

#4 - The Hero and the Big Sister

Season 1 - Episode 6 - Aired 5/13/2023

Asahi is soloing a quest to get rid of some wolves. Maya is overjoyed with his improved strength, but she still worries for his safety. If only they had a healer in their party. Back in town, Asahi bumps into a strange girl on the street.

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The Preferred Form of a Big Sister
star
7.17
23 votes

#5 - The Preferred Form of a Big Sister

Season 1 - Episode 9 - Aired 6/3/2023

Asahi and Maya go out on a gathering quest. Sophie joins them, but Asahi manages to pair Sophie and Maya so he can go off on his own. When he’s ambushed by goblins, an unexpected blast of dark fire reminds him of the first time he met Kilmaria.

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Shark from Another World
star
7.21
19 votes

#6 - Shark from Another World

Season 1 - Episode 11 - Aired 6/17/2023

Asahi is given a quest to hunt down sharks that are attacking a local beach. Maya says that just the two of them should go instead of taking the whole Super Asahi Legion. But when they arrive, the whole party is already there! And Kuon has some bad news.

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I Can't Raise My Sword Against a Girl
star
7.22
23 votes

#7 - I Can't Raise My Sword Against a Girl

Season 1 - Episode 8 - Aired 5/27/2023

Asahi is on a quest to take down a party who uses its status for evil, but one of their crimes hits a little close to home—falsifying ranks. An adventurer who is suspicious of Asahi decides to take a closer look at him. Will Asahi’s secret be discovered?

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My Sister, Maya-nee, Is All I Need
star
7.23
26 votes

#8 - My Sister, Maya-nee, Is All I Need

Season 1 - Episode 3 - Aired 4/22/2023

Asahi is still looking for ways to level up, but working with his sister has its limits. So, he goes to the Guild with the thought of forming a party with other people. On the way back, he notices some thugs hassling a drunk who looks a bit familiar.

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The Big Plan for the Home of the Ikusaba Brother and Sister
star
7.27
26 votes

#9 - The Big Plan for the Home of the Ikusaba Brother and Sister

Season 1 - Episode 4 - Aired 4/29/2023

Asahi has run out of money to pay for his lodgings again, so he goes to Tanya to ask for a quest with a high reward. It turns out that Tanya has just the thing, one with a house as the reward! But to get it, they’ll have to rid it of its current occupant.

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Portrait of a Certain Big Sister and Little Brother
star
7.27
26 votes

#10 - Portrait of a Certain Big Sister and Little Brother

Season 1 - Episode 7 - Aired 5/20/2023

Asahi and Maya didn’t always have the relationship they do now. Once, it was much different. A strange twist of fate makes Maya remember the old Asahi. Later, Asahi learns a shocking truth about Tanya and has to prove his mettle as an adventurer!

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The Ikusaba Brother and Sister's Big Dungeon Exploration Plan
star
7.33
24 votes

#11 - The Ikusaba Brother and Sister's Big Dungeon Exploration Plan

Season 1 - Episode 5 - Aired 5/6/2023

A new dungeon entrance has been discovered! Tanya asks Asahi to explore it to see if it’s safe. If it is, it will be opened up to all adventurers of every rank. Asahi is excited about taking on a quest by himself, but, alas, it is not to be.

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My Amazing Little Brother
star
7.36
22 votes

#12 - My Amazing Little Brother

Season 1 - Episode 10 - Aired 6/10/2023

Kuon asks Asahi for a favor. Gloria is challenging herself for the sake of her future, and she needs Asahi's help! Or does she? Later, Asahi considers making a big change to his life as an adventurer and goes to Tanya for advice.

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