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Looking for filler episodes? View the filler guide.
| # | Title | Aired | Type |
|---|---|---|---|
| 1 | Did You Call for Your Big Sister | Apr 7, 2023 | Canon |
| 2 | You Call Me Your Sister? | Apr 14, 2023 | Canon |
| 3 | My Sister, Maya-nee, Is All I Need | Apr 21, 2023 | Canon |
| 4 | The Big Plan for the Home of the Ikusaba Brother and Sister | Apr 28, 2023 | Canon |
| 5 | The Ikusaba Brother and Sister's Big Dungeon Exploration Plan | May 5, 2023 | Canon |
| 6 | The Hero and the Big Sister | May 12, 2023 | Canon |
| 7 | Portrait of a Certain Big Sister and Little Brother | May 19, 2023 | Canon |
| 8 | I Can't Raise My Sword Against a Girl | May 26, 2023 | Canon |
| 9 | The Preferred Form of a Big Sister | Jun 2, 2023 | Canon |
| 10 | My Amazing Little Brother | Jun 9, 2023 | Canon |
| 11 | Shark from Another World | Jun 16, 2023 | Canon |
| 12 | Big Sister Forever | Jun 23, 2023 | Canon |