While prosecuting a frenzied wardrobe configuration, Mariko has it explained that her parents will arrive in Japan with her little brother Shintaro the next day and that Shuuichi has parked his car outside. Fortunately, the excited and tremulous Mariko successfully resolves her wardrobe imbroglio and takes note of his new car while en route to Shuuichi's house. No sooner does Mariko find her courage after recalling Tsutomu's counsel to her than Shuuichi arrives with his somewhat childish college classmate Yuka Matsuyama...