in this world, everything is colorful or dull. when you are born, everything is black and white, up until the very moment you meet your soulmate. of course, most people cheat and use a fancy dating app called "wheelim" which helps you find your significant other, but some people like to discover theirs naturally. park jimin is 22, and his utterly tired of waiting. his friends are already happily married at this age, with their world in full blossom. being able to see the saturated world is a dream to jimin. luckily, for him, his soulmate is right around the corner, but is it who he wants?