An earnest, plucky young man who becomes attached to Takumi after discovering they live in the same apartment complex. He does chores and fixes dinner for Takumi after he breaks his arm knocking Nikaidou out of the path of a car, seeming to almost become a member of Takumi's household until Takumi panics and lashes out. After they reconcile, it comes to light that Nikaidou is an actor who debuted in a drama program around the time he and Takumi met.