Vocaloid: Colors Beyond the Cracked Window

If I'm to take a leaf out of Lemony Snicket's book: "I am sorry to say that this story you are about to read is extremely unpleasant." What you're about to see are pieces of a jigsaw puzzle that tells the short life of Kaito Shion, a freshman studying at a prestigious art college who was later found to have burned to death in a studio room... Dark epistolary songfic. ONGOING.