Mari Iwai

Mari is the twin brother of Setsuko. He owns the laundry shop where Yukino and Setsuko first meet. His warm and outgoing nature at first puzzles Yukino who eventually comes to see Mari as a trusted friend. His sister is often and easily annoyed by his antics. The siblings dislike whenever anyone points out their physical similarities especially since their personalities are quite contrasting. Mari switches interests easily and runs through various methods of entrepreneurship until finally finding a stable job.