What's Going On? Manhwa

After returning from military deployment, Yipeul reconnects with Dawoon, his friend since middle school. Dawoon prepares a surprise to celebrate his return, hiding in his closet with birthday cake one night. When Yipeul comes home, he takes off his pants and begins masturbating while calling Dawoon’s name, leaving her surprise overturned. Now the two must face an awkward question: can they return to being friends, or is this the start of something more?