High schooler Wakana Gojo wants to become a kashirashi—a master craftsman who makes traditional Japanese Hina dolls. Though he's gung-ho about the craft, he knows nothing about the latest trends, and has a hard time fitting in with his class. The popular kids—especially one girl, Marin Kitagawa—seem like they live in a completely different world. That all changes one day, when she shares an unexpected secret with him, and their completely different worlds collide.

Urashima Tunnel – Once you enter that tunnel, you can get whatever you want, but at a price. Kaoru Tohno, who seems to have an elusive personality and traumatic past, and Anzu Hanashiro, who is struggling to reconcile her ideal image and true-to-heart attitude, team up to investigate the Urashima Tunnel and get what they want. This is an unforgettable summer story of nostalgia and sprinting in a remote countryside.