Season 1
Episodes
S1 · E1 · 7 Apr 2025 · 23 min
Welcome to Torishirojima Island
A young boy with a wounded heart begins a new life on a quiet island.
S1 · E2 · 14 Apr 2025 · 24 min
Ways to Spend Your Summer Vacation
The boy with the broken wings begins to settle into life on a tropical island.
S1 · E3 · 21 Apr 2025 · 24 min
Pirate Ship and Girl
A mysterious chest is uncovered in the attic of a school.
S1 · E4 · 28 Apr 2025 · 23 min
One Summer's Treasure
The crew goes searching for keys to a treasure chest.
S1 · E5 · 5 May 2025 · 24 min
Higeneko Adventure
Hairi travels across the island in search of a pirate ship.
S1 · E6 · 12 May 2025 · 24 min
Across the Seven Seas
Hairi learns the story of the Higenekos.
S1 · E7 · 19 May 2025 · 24 min
The Lighthouse, the Song and the Girl
Hairi meets a girl sitting on a lighthouse. She is trying to find out what she wants to do.
S1 · E8 · 26 May 2025 · 24 min
Looking for Things to Do
Tsumugi decides to make a balcony on the lighthouse out of the empty Paringles cans she's been collecting.
S1 · E9 · 2 Jun 2025 · 24 min
Tsumugi and Tsumugi
Hairi and Shizuku look for Tsumugi, but Hairi ends up lost himself.
S1 · E10 · 9 Jun 2025 · 24 min
A Lifetime's Worth of Summer Breaks
Hairi gives Tsumugi a summer break she'll never forget.
S1 · E11 · 16 Jun 2025 · 24 min
The Summer Butterfly and the Night Girl
Hairi starts over at the island and meets a new girl.
S1 · E12 · 23 Jun 2025 · 24 min
Priestess of Sorakado
Hairi ignores Ao's warning not to come back into the mountain at night. As it turns out, it was for good reason.
S1 · E13 · 30 Jun 2025 · 24 min
A Pair of Butterflies
Ao continues her search for the butterfly she seeks.
S1 · E14 · 7 Jul 2025 · 24 min
Dawn Memories
Ao and Ai have a lot of catching up to do.
S1 · E15 · 14 Jul 2025 · 24 min
The Girl Who Forgot Summer Vacation
Hairi meets a lone girl on the island.
S1 · E16 · 21 Jul 2025 · 24 min
Not a Date
Hairi visits the main island and talks a little about his past.
S1 · E17 · 28 Jul 2025 · 24 min
Natsudori Ritual
Hairi and Shiroha need to make arrangements to prepare for the upcoming ritual. Shiroha's visions become clearer.
S1 · E18 · 4 Aug 2025 · 24 min
One More Summer Vacation
Hairi tries to grant Umi's wish.
S1 · E19 · 11 Aug 2025 · 24 min
Magic Picture Diary
Umi's true hopes for summer vacation are revealed.
S1 · E20 · 18 Aug 2025 · 24 min
Marriage
The day of the ritual draws near.
S1 · E21 · 25 Aug 2025 · 24 min
Footprints in the Waves
As summer draws to a close, Hairi begins to forget.
S1 · E22 · 1 Sept 2025 · 24 min
Towards That Summer
Time moves on after summer ends.
S1 · E23 · 8 Sept 2025 · 24 min
Nanami
Nanami wakes up on the island with no memory of how she got there.
S1 · E24 · 15 Sept 2025 · 24 min
Where the Sunshine Is
Nanami is invited to make lanterns with Shiroha and her classmates for the Natsudori ritual.
S1 · E25 · 22 Sept 2025 · 24 min
Memories of the Future
Nanami's true identity is revealed.
S1 · E26 · 29 Sept 2025 · 24 min
Pockets Stuffed Full
Umi's story comes to an end.
Data and images from TMDB.