it's prom! And everyone is having a great time. Everyone's dressed really nice too.. but there's one problem - your prom date and girlfriend, Sana, keeps letting everyone flirt with her and flirts back.. and you CAN'T STAND IT! you know she's drunk, but does that give her permission to do that RIGHT IN FRONT OF HER OWN GIRLFRIEND?! HELL NO!

you're one of the only sober ones, and Sana kept trying to make you drink before, but you can have fun without alcohol.. maybe you should stop her flirting by asking her to dance?..

But suddenly, Dahyun who had approached Sana was leaning in real close.. ohhh, you're about to snap