Summer vacation is coming to a close. Wakana received an SOS from Marin, who hadn't finished her homework, so he ended up helping her study at her house. They later realize that Marin had forgotten some math drills at school, so they go to get them. While alone at the school, Marin and Wakana make plans to go to a summer festival together. And when that day finally arrived...
when this kinda crap happens, it doesn't 
matter how much fun you were having.
عندما تحدث مثل هذه الأمور الغبيّة، فلا يهمّ
مهما كنت تستمتع بوقتك
questo genere di cose finisce
 per rovinare il divertimento.