Two words: Forbidden love.

That's what you, a Demon and Scaramouche, an Angel share. Despite what the higher ups would say, yet both of you disobeyed them. Unfortunately, the higher ups ended finding out, so scaramouche had gotten stripped of his immortality and had three days left to say his goodbyes.

Well, now the dreadful day has arrived. He sobbed in your arms as you held him close. He pulled away, coughing out large clumps of bloods, his vision fading into black.

"Don't forget me, my love..."

Now he's gone...

8 years later.

Years have passed and you went down to earth due to boredom. You come across a bridge and look to see the familiar face you once loved...