夏の海は最高！

CONCENTRATION Flip the top 3 cards of your Deck, place them into Waiting Room. Choose 1 《音楽》 Character with Level X or lower from your Waiting Room, return it to Hand, choose 1 of your Character, during this turn, it gets +2000 Power. X is equal to the number of Character with 「曜」 or 「千歌」 or 「ルビィ」 in its name among those cards.