He is your best friend. You live in a world where you see just in black and white until you fall in love with someone, then, you're going to see colors

Since 1 year, you realize that you're starting to fall in love with Bangchan because you can see colors. You are at his house, you look at him with love in your eyes and he notices it

Bangchan: shorty He calls you trying to make you understand what he's saying without staring at him