 Machiko is Yuki's girlfriend.In chapter 55, she moved to Florida, where it was shown that Yuki got jealous over a photo she took with an American, and vows to become more of a gentleman himself, which unfortunately resulted in a misunderstanding between the two.In more recent chapters, she has moved back to Japan, and is often seen going on dates with Yuki - though both Yuki and Machiko are afraid the other thinks their dates are to kiddish, though both come to realize they are just right for the pair.