Captain Earth (2014 - 2014)

The story revolves around a high school student named Daichi Manatsu. One day, on the eve of summer vacation, he sees a round rainbow flying in the sky above Tanegashima Island. Daichi has witnessed similar phenomena before. He delves into his memories: the mysterious death of his father, enigmatic children from his past. Daichi is left with numerous questions, and he is determined to find the answers. With this goal in mind, he sets off for the very island where he noticed the rainbow phenomenon.