track and field athletes

Sano's little brother Shin is determined to beat his older brother at the high jump, and Shin's coach, who is also Sano and Shin's father, is doing nothing to stop the boys' bitter rivalry.

Mizuki, posing as a boy in order to attend an all-male high school where she can be close to her idol, high jumper Izumi Sano, feels threatened when suave photographer Akiha Hara wants her to model, while Nakatsu and the rest of the student body are terrorized by a power-mad teacher.

While Sano worries about his younger brother who ran away, he finds out a picture of him with Minami and Nakatsu is in a fashion magazine, making them very popular with the girls.

When Julia declares herself to be Mizuki's girlfriend, hoping to get a reaction of jealousy from Sano, Mizuki's classmates take it as a challenge and start hitting on the transfer student. Then, Mizuki's secret is once again endangered when the whole class takes a school trip to the hot springs at Hokkaido.

Mizuki has a close call when a fellow student nearly catches her changing, causing rampant rumors there is a girl on campus, and she must find a way to keep her identity, and gender, a secret before her plan is ruined.

When Nakatsu's mother informs him that she wants him to return home after graduation and take over the family business, Nakatsu must decide if he is willing to give up his dream of becoming a soccer star in order to take care of his family. Meanwhile, Nakao confesses his love to upperclassman Minami.

The life of Mizuki, a girl passing herself off as a boy to attend an all-male high school, gets even more complicated when her roommate, who has figured out her secret, kisses her, and her half-American older brother shows up in town, unhappy about her scheme.

With the giant track meet approaching, Mizuki faces her old high-jump rival, Kagurazuka, Sano is up against his brother and his father, and Nakatsu is focused only on Mizuki.

Nakatsu finds out if Sano has feelings for Mizuki and Sano faces a new high jump challenger and an old rival.

Plumbing problems force Mizuki to live with two boys, while Mizuki and Sano find it hard to fight their mutual attraction and Dr. Umeda is reunited with an old friend.