At the time of the ceremony of entry to the college, a young boy named Ushino Hayama finds Sara a girl whom he met ten years ago. From this day, a change has taken place in him, and notices that can now control some water. After having succeeded the swimming championships, he discovers deep sea diving.
Synonyms: Blue Butterfly Fish, B.B. フィッシュ
Status: Finished Airing
Country: Japanese
Released: 1994
Season: OVA