Season 1

1. Welcome to Torishirojima Island

April 7, 2025 · 23m

A young boy with a wounded heart begins a new life on a quiet island.

2. Ways to Spend Your Summer Vacation

April 14, 2025 · 24m

The boy with the broken wings begins to settle into life on a tropical island.

3. Pirate Ship and Girl

April 21, 2025 · 24m

A mysterious chest is uncovered in the attic of a school.

4. One Summer's Treasure

April 28, 2025 · 23m

The crew goes searching for keys to a treasure chest.

5. Higeneko Adventure

May 5, 2025 · 24m

Hairi travels across the island in search of a pirate ship.

6. Across the Seven Seas

May 12, 2025 · 24m

Hairi learns the story of the Higenekos.

7. The Lighthouse, the Song and the Girl

May 19, 2025 · 24m

Hairi meets a girl sitting on a lighthouse. She is trying to find out what she wants to do.

8. Looking for Things to Do

May 26, 2025 · 24m

Tsumugi decides to make a balcony on the lighthouse out of the empty Paringles cans she's been collecting.

9. Tsumugi and Tsumugi

June 2, 2025 · 24m

Hairi and Shizuku look for Tsumugi, but Hairi ends up lost himself.

10. A Lifetime's Worth of Summer Breaks

June 9, 2025 · 24m

Hairi gives Tsumugi a summer break she'll never forget.

11. The Summer Butterfly and the Night Girl

June 16, 2025 · 24m

Hairi starts over at the island and meets a new girl.

12. Priestess of Sorakado

June 23, 2025 · 24m

Hairi ignores Ao's warning not to come back into the mountain at night. As it turns out, it was for good reason.

13. A Pair of Butterflies

June 30, 2025 · 24m

Ao continues her search for the butterfly she seeks.

14. Dawn Memories

July 7, 2025 · 24m

Ao and Ai have a lot of catching up to do.

15. The Girl Who Forgot Summer Vacation

July 14, 2025 · 24m

Hairi meets a lone girl on the island.

16. Not a Date

July 21, 2025 · 24m

Hairi visits the main island and talks a little about his past.

17. Natsudori Ritual

July 28, 2025 · 24m

Hairi and Shiroha need to make arrangements to prepare for the upcoming ritual. Shiroha's visions become clearer.

18. One More Summer Vacation

August 4, 2025 · 24m

Hairi tries to grant Umi's wish.

19. Magic Picture Diary

August 11, 2025 · 24m

Umi's true hopes for summer vacation are revealed.

20. Marriage

August 18, 2025 · 24m

The day of the ritual draws near.

21. Footprints in the Waves

August 25, 2025 · 24m

As summer draws to a close, Hairi begins to forget.

22. Towards That Summer

September 1, 2025 · 24m

Time moves on after summer ends.

23. Nanami

September 8, 2025 · 24m

Nanami wakes up on the island with no memory of how she got there.

24. Where the Sunshine Is

September 15, 2025 · 24m

Nanami is invited to make lanterns with Shiroha and her classmates for the Natsudori ritual.

25. Memories of the Future

September 22, 2025 · 24m

Nanami's true identity is revealed.

26. Pockets Stuffed Full

September 29, 2025 · 24m

Umi's story comes to an end.