Where everything has a color and a cappuccino brings, slowly, two people to look at each other and think: "you are not grey, you are a rainbow."

Off is always receiving some text messages. But the thing is, he doesn't know who's that person who likes to send him those sweet messages.

Moving on from a cheating boyfriend isn't easy. However, when Gun suddenly meets his first love again, will a spark rekindle the fire that burned bright between him and Off that one night in college?