This is a story about how the guardian of light learned to understand the darkness.

"Didn't you know? True love is destined through the meeting of ink to paper, and whoever receives the blessings of the wind god will have their letter carried by the god himself to their one true love!"   Well, at least that's what Jongdae's tale-telling grandpa said, and being a hopeless romantic ever since he was a child, Jongdae doesn't see why he shouldn't believe in that old tale. However,

Jung Taekwoon.  He has always heard stories about the human world from his 'lifelong friend' that lived on the other side of the door that separated the two. 

In a world where every God lays out blue prints of their perfect pair of Soulmates that they create, Himchan has been producing A-list quality of lovers for the past three hundred centuries. His One-True-Pairs have always won the best OTP award every year since he was appointed as God. However, a tiny clerical error has everything the God has worked for spiraling downwards, when the engineers at Soulmate Inc. end up mixing one from his pair of soulmates with that of a lower God, Junhong.

The Gods of Love and War are the best of friends. They have a pact to help each other out however they can. So Mars helps his platonic soulmate out by fighting his battles for him. Cupid, on the other hand, fails at finding his best friend true love. Or, Jimin as Mars and Taehyung as Cupid