When Usagi tells Mariko he intends to return home she reveals Jotaro is his son. To prevent injury to Kenichi and Jotaro's father-son relationship, Usagi nobly pretends he prefers to be a ronin. Leaving town Usagi shares an early lesson from his sensei with Jotaro and discovers Jotaro has named his pet tokage "Spot" - just like the tokage who was once Usagi's pet.