With graduation on the horizon, pure-hearted Kumai has only one thing on his mind— getting a girlfriend! He hasn't been able to put himself out there due to a past heartbreak, but seeing all his fellow classmates beginning relationships, Kumai's decided it's time to take a step forward. He shoots his shot with a mutual over text, and to his delight, she agrees! They even plan to have a lunch date the very next day! But, uh...why did Sasahara, the hottest guy in school, show up instead? And why's he acting like they're dating...?