Send 1 face-up "Umi" you control to the GY; Special Summon up to 2 WATER Normal Monsters, and/or monsters that specifically list "Umi" in their text, with different names from your hand and/or Deck in Defense Position, then, if your opponent controls a monster, you can Special Summon any number of Level 6 or lower WATER Normal Monsters from your hand and/or Deck. Until the end of your next turn after this card resolves, you cannot Special Summon monsters, except WATER monsters. You can only activate 1 "Kairyu-Shin of the Reef" per turn.