After club activities end, a sweaty female student immediately engages in intense intercourse without even taking a shower. The story depicts a passionate creampie-filled relationship between a hardworking club member and her advisor, keeping their secret affair hidden from others. They sneak into an empty school restroom, avoiding detection by classmates, for lewd sexual encounters. Soyo from the track team meets up after practice and rushes into a secluded bathroom, where she secretly sucks his cock before being fucked right away. Packed with erotic scenes including creampie, the semen injected deep inside her cannot be fully wiped away with just toilet paper—highlighting the desire to teach her how to properly clean it up, adding further allure to the work.