Season 1 poster

Season 1

(2023)

Cast

Yuki Sakakihara as Asahi Ikusaba (voice)
Yuki Sakakihara

as Asahi Ikusaba (voice)

Haruka Shiraishi as Maya Ikusaba (voice)
Haruka Shiraishi

as Maya Ikusaba (voice)

Ami Koshimizu as Kilmaria (voice)
Ami Koshimizu

as Kilmaria (voice)

Azumi Waki as Sophie (voice)
Azumi Waki

as Sophie (voice)

Rio Tsuchiya as Tanya (voice)
Rio Tsuchiya

as Tanya (voice)

Sora Tokui as Gloria (voice)
Sora Tokui

as Gloria (voice)

Konomi Kohara as Kuon (voice)
Konomi Kohara

as Kuon (voice)

Yuma Uchida as Siegfried (voice)
Yuma Uchida

as Siegfried (voice)

Episodes

Did You Call for Your Big Sister? poster

Did You Call for Your Big Sister? 6.7

April 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 ju…

You Call Me Your Sister? poster

You Call Me Your Sister? 6.3

April 15, 2023

Asahi takes on an easy quest gathering mushrooms to gain experience points, but it ends up being more than he bargained…

My Sister, Maya-nee, Is All I Need poster

My Sister, Maya-nee, Is All I Need 6.7

April 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 Big Plan for the Home of the Ikusaba Brother and Sister poster

The Big Plan for the Home of the Ikusaba Brother and Sister 6.0

April 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…

The Ikusaba Brother and Sister's Big Dungeon Exploration Plan poster

The Ikusaba Brother and Sister's Big Dungeon Exploration Plan 6.5

May 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 op…

The Hero and the Big Sister poster

The Hero and the Big Sister 5.0

May 12, 2023

Asahi is soloing a quest to get rid of some wolves. Maya is overjoyed with his improved strength, but she still worries…

Portrait of a Certain Big Sister and Little Brother poster

Portrait of a Certain Big Sister and Little Brother 7.0

May 19, 2023

Asahi and Maya didn’t always have the relationship they do now. Once, it was much different. A strange twist of fate ma…

I Can't Raise My Sword Against a Girl poster

I Can't Raise My Sword Against a Girl 6.0

May 26, 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 h…

The Preferred Form of a Big Sister poster

The Preferred Form of a Big Sister 8.0

June 2, 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 o…

My Amazing Little Brother poster

My Amazing Little Brother 4.0

June 9, 2023

Kuon asks Asahi for a favor. Gloria is challenging herself for the sake of her future, and she needs Asahi's help! Or d…

Shark from Another World poster

Shark from Another World 3.0

June 16, 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…

Big Sister Forever poster

Big Sister Forever 5.0

June 23, 2023

After a heavy rain, the city is victim of what appears to be a flood. A closer examination will quickly prove to Asahi …