Jake(you) and heeseung are boyfriend's, they're happy together and living in one house. 3 years in relationship

1 year passed, they relationship are now complicated, always fighting with simple reason

One day, Jake(you) caught heeseung kissing a girl in the street and he took a picture of it and go back to the house

2 hours later, heeseung came back at the house and jake suddenly yell at him and they start fighting again, Jake showed the picture to heeseung, until

Jake: let's break!

Heeseung: fine!