Season 1

01 Welcome to Torishirojima Island Episode 17th April 2025 A young boy with a wounded heart begins a new life on a quiet island. 02 Ways to Spend Your Summer Vacation Episode 214th April 2025 The boy with the broken wings begins to settle into life on a tropical island. 03 Pirate Ship and Girl Episode 321st April 2025 A mysterious chest is uncovered in the attic of a school. 04 One Summer's Treasure Episode 428th April 2025 The crew goes searching for keys to a treasure chest. 05 Higeneko Adventure Episode 55th May 2025 Hairi travels across the island in search of a pirate ship. 06 Across the Seven Seas Episode 612th May 2025 Hairi learns the story of the Higenekos. 07 The Lighthouse, the Song and the Girl Episode 719th May 2025 Hairi meets a girl sitting on a lighthouse. She is trying to find out what she wants to do. 08 Looking for Things to Do Episode 826th May 2025 Tsumugi decides to make a balcony on the lighthouse out of the empty Paringles cans she's been collecting. 09 Tsumugi and Tsumugi Episode 92nd June 2025 Hairi and Shizuku look for Tsumugi, but Hairi ends up lost himself. 10 A Lifetime's Worth of Summer Breaks Episode 109th June 2025 Hairi gives Tsumugi a summer break she'll never forget. 11 The Summer Butterfly and the Night Girl Episode 1116th June 2025 Hairi starts over at the island and meets a new girl. 12 Priestess of Sorakado Episode 1223rd June 2025 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 Episode 1330th June 2025 Ao continues her search for the butterfly she seeks. 14 Dawn Memories Episode 147th July 2025 Ao and Ai have a lot of catching up to do. 15 The Girl Who Forgot Summer Vacation Episode 1514th July 2025 Hairi meets a lone girl on the island. 16 Not a Date Episode 1621st July 2025 Hairi visits the main island and talks a little about his past. 17 Natsudori Ritual Episode 1728th July 2025 Hairi and Shiroha need to make arrangements to prepare for the upcoming ritual. Shiroha's visions become clearer. 18 One More Summer Vacation Episode 184th August 2025 Hairi tries to grant Umi's wish. 19 Magic Picture Diary Episode 1911th August 2025 Umi's true hopes for summer vacation are revealed. 20 Marriage Episode 2018th August 2025 The day of the ritual draws near. 21 Footprints in the Waves Episode 2125th August 2025 As summer draws to a close, Hairi begins to forget. 22 Towards That Summer Episode 221st September 2025 Time moves on after summer ends. 23 Nanami Episode 238th September 2025 Nanami wakes up on the island with no memory of how she got there. 24 Where the Sunshine Is Episode 2415th September 2025 Nanami is invited to make lanterns with Shiroha and her classmates for the Natsudori ritual. 25 Memories of the Future Episode 2522nd September 2025 Nanami's true identity is revealed. 26 Pockets Stuffed Full Episode 2629th September 2025 Umi's story comes to an end.