Episode #1.4

Riku has become like a teacher for Tetsuo, Tetsuro, Stella, and the other children. While on a “treasure hunt” as a social tour as it happens, he encounters the unexpected true face of Shiro, the man who always draws a white line in the lime. In Riku's classroom, Stella writes an essay imagining how Billy and Jacqueline came to Arakawa.