Better Watch Your Back. [Byakuya x Reader]

[CW] Suicide, Murder, Blood, Swearing, Possibly Smut DANGANROMPA SPOILER WARNING!!! [SUMMARY] Well... You couldn't be surprised it happened, but here you were, holding an acceptance letter to... Hope's Peak Academy. A prestigious academy located in Japan, a place where only the best of the best, or, "Ultimates," a...