She makes the problem with the shirt worse.

"Ok Kawakami, just calm down, and fix it before anyone notices...", thought Kawakami to herself a she decided to focus on solving her most important problem currently, which was her nip slip, upon which, she quickly shoved her left tit back to the inside of her shirt, however, because she had currently no bra on, she was fully aware that it could pop off again.

"ehhh, *ptss*, could you take in for me for a moment", she whispered to the principal in an atempt to escape.

"'sigh', ok, but you better return quickly", the principal whispered back annoyed.

"My appologies!", she replied, after which, she made it off the gym and into the hallway, where, after checking that nobody was nearby, she decided to fix her shirt, by trying to buttoning it as hard as she could.

But unfortunately for Kawakami, a loud *crack* coming down the front of of her shirt, confirmed her doubts that she shouldn't have done this. "N-No...", was her first reaction as she realized what had happened.

"Dammit, why does this have to happen to me ?", she exclamed as she looked at the damage done, which was a rather big crack in the front of her shirt, that exposed more of her chest and navel to the open.

However, just when Kawakami thought that things couldn't get worse...