Satoru Takarazaki
Satoru is in the same high school sophomore as Yayoi. He is the judo club captain. Satoru had just moved in next door to Yayoi. He is a very mysterious character because of all the rumors that spread about him. There is some that say he is a playboy, while some people insist on telling Yayoi that he is anti-female and is a guy who doesn't like girls... Not knowing what to believe this begins to confuse Yayoi. Later on it is revealed that Satoru is Mr. Friday. Touko is his sister.