在以下频道推出： Prime Video、Crunchyroll
第 1 季，第 1 集: The two brothers, Mutta and Hibito spotted a UFO in their childhood which led to a promise. Mutta has since forgotten about the promise but Hibito hasn't and decides to give his older brother a little push.
Anime · 2012年4月1日 · 23 分钟