It's a Festival x How Did It Come to This?!.Guri becomes angry when Seiji refuses to go to a festival with her after already making plans with Akane and Yuzu. In the bookstore, Guri encounters a kindhearted guy who asks her on a date, where she constantly compares him with Seiji. At the festival, the guy tries to kiss her, but she rejects him because she cannot stop thinking about Seiji. She then bumps into Seiji, who came to the festival to stop her earlier complaining. Despite his bad qualities, she kisses him after realizing that she is happiest when they are together...