The main character of this story named Shidzuka Mizutani of those people who only care about themselves,interested only in learning, constantly gnaw granite of science, and planning their future life. And, of course, she never had any friends, no guy. But her life changed dramatically after meeting with Haru Yoshida - a newcomer in the class. He had to sit next to her at a neighboring desk, but after a bloody fight,which provoked his high school students on the first day of school - he was removed from the study. Even after the punishment, Haru, disillusioned with the school, and has not appeared in the classroom. The next day, the class teacher, summoned Shidzuku, asks her to go to Yoshida. Not without persuasion and bribery, she still agrees to help,after all in life can happen, and went to his house to pass the print lectures. But he was wrong regarding it a visit, and guided by the fact that the best friends always do, he said - now they are friends... From that day on, our heroine learns that the granite walls of science there is an exciting and interesting world...And that Haru is very gullible and vulnerable people, but she could not think that soon he confesses his love for her!?