Rainbow Veins (By Bokkuroo on Ao3)

Bokkuroo: "This idea popped up unexpectedly in my mind a few weeks ago and it ruined me so much, I had to write it down. I didn't intend the story ending up this long and so emotional, but here it is. The title is Rainbow Veins by Owl City. Please listen to it, you'll need it afterwards. Update: Sorry if the layout of...