Warm Me up from the Inside Out | Shizuku : uroco | Renta! - Official digital-manga store
As a member of the Discipline Committee, Yukiho has her hands full with bad-boy Hikaru Kajitani. One day, during after-school cleaning, they find themselves locked in the gym storage room together! As night falls, they are nearly overcome with the cold when Hikaru says, "I have an idea to keep us warm... Wanna try?" Heavy breathing... his flicking tongue... the heat from their bodies... This type of physical education isn't allowed at school...!!