Ashiya Mizuki is a girl but she attends an all-boys school because high jumper Sano Izumi is there.

The school doctor Umeda and Sano figure out that Mizuki is a girl. Can she continue staying at the school?

After Sano stops his friend Rika from slapping Mizuki and yells at Rika, Mizuki and Sano get into a fight.

Sano decides to rejoin the track team, but then his old rival Kagurazaka shows up to provoke him.

Sano doesn't seem to remember the last night, but Mizuki also has other troubles: someone has it out for her.

Mizuki's brother Shizuki unexpectedly comes to Japan. Can she keep keep her secret while he's here?

Dorm 2 is being renovated, so Mizuki needs a place to stay for 2 weeks. Desperate, she turns to Umeda...

Tamami is all over Sano, putting Mizuki into a strange mood about her and Sano's relationship.

Io asks Mizuki if she wants things with Sano to stay this way. Later, Mizuki is in danger!

It's festival time for Osaka High. The winning dorms gets special privileges, so things get heated.

Dorm 1 plays dirty in the chicken fight against Mizuki's team. Later Nanba has a heated exchange with a woman.

Nakatsu finds out that Dorm 1 has a plot against Mizuki. He tells Sano, but Mizuki has already been kidnapped!