The anime's original story features Mutta and Hibito during one summer when they were children. During the summer when Mutta and Hibito made their promise to go to space, they met a young girl who also had a wish.
Synonyms: Space Brothers, Planetarium Uchuu Kyoudai
Japanese: プラネタリウム 宇宙兄弟 ～一点のひかり～
Jul 21, 2012
Season: Summer 2012
Duration: 38 minutes
External Links: MyAnimeList