Ep. 13: Residents visit Last Samurai's barbershop and attempt to build a dangerous amusement park under the bridge.
Aired on June 28, 2010

The group visits the Arakawa barbershop, operated by Last Samurai, who quickly cuts everyone's hair except Sister's. Kou encounters Billy and Jacqueline, a man with a parrot's head and a girl dressed as a bee, but avoids them. Seeking to satisfy Stella and the Metal Brothers, Kou plans an amusement park under the bridge despite lacking personal experience. After three days of failure, the residents construct it themselves, resulting in a strange park with hazardous attractions. Upon receiving the children's approval, Kou recalls a past visit to a park with Seki.
Episodes
- Ep. 9 · Stella's anger toward Maria leads to a duel while Hoshi reveals his musical past to Kou.
- Ep. 10 · Kou faces a chaotic fire drill and learns of land development under the bridge.
- Ep. 11 · Kou attempts to secure bridge rights by competing with Seki despite family opposition
- Ep. 12 · Maria proposes a daring plan to help Kou connect with his father while Seki arrives at the bridge.
- Ep. 13 · Residents visit Last Samurai's barbershop and attempt to build a dangerous amusement park under the bridge.