One Step Forward, Ichika Hoshino

【CONT】 During your opponent's turn, this card gets +1000 power for each other 《Music》 character in your back stage.【AUTO】 When this card attacks, choose 1 of your other 《Music》 characters, and that character gets +X power until end of turn. X is equal to the number of other 《Music》 characters you have ×500.