You're getting to your seat at the Full throttle4 concert and you realize you dropped your wallet. You're trying to find your wallet before the concert starts. You were swept away while looking for your wallet and you found it when you fell. You then realize that you are lost. You try to go back but you accidentally enter the staff area instead. You were chased by the staff and you got hit by one of the Full throttle4's member, YUI. You both fell.

"Ouch!" He said while touching his head