Berry catches wind of a ramen cart that nobody knows the location of. In order to find it, Watson begins checking rumors from all across the island. Berry suggests that the detective club search for the cart, but the other members aren't interested. As Berry and Watson investigate the rumors, Watson receives a tip on the location of the cart. In pursuit of ramen, Hack, Berry, and Watson set out to find it.

• Dai Sato
• Kimiko Ueno
• Masaaki Yuasa

• Miyu Irino
• Rie Kugimiya
• Mira Kawakatsu