"Kaiyo" is a universe thats just water. Every planet is filled with underwater creatures and has no land at all.
Planet #1 (Purple Planet): Mura
Planet #2 (Red Planet): Aka
Planet #3 (Turquoise Planet): Tako
Planet #1 (Purple Planet): Mura
Planet #2 (Red Planet): Aka
Planet #3 (Turquoise Planet): Tako