The male and female protagonists come from two different schools, and they are two different zodiac signs. The two protagonists go from strangers to acquaintances, then to acquaintances, and finally meet again after being strangers. The male protagonist is a (former) top student who loves sports, and the female protagonist is a real top student. Both the male protagonist and the female protagonist have a certain affinity with the opposite sex, but neither of them wants the other to be too enthusiastic with other members of the opposite sex.