Hasegawa Kouta encounters a missing little girl and she gives him a Pompompurin sticker, which reminds Kouta about how he used to love Pompompurin as a kid.

Kouta's classmates, Mizuno Yuu and Yoshino Shunsuke, reveal that they also love Sanrio characters, and proudly refer to themselves as Sanrio Boys.

Kouta is relieved to finally admit his love of Pompompurin and begins to make friends with Yuu and Shunsuke.

Shunsuke is an ace soccer player but has trouble working with his team, and the captain decides to remove him from the regulars in order to teach him a lesson.

Kouta, Yuu, and Shunsuke are discussing Sanrio in the library when they are suddenly confronted by an angry student.

Just as Seiichirou seems to have made progress with Ryo, the younger boy discovers Seiichirou's annual Puroland pass and confronts him, outraged at his betrayal.