Nearly 1000 years ago, Daitora Shinozaki witnesses the notorious killer slaughter his family before his eyes at a young age. He is the sole survivor of the attack, and since then has craved revenge in order to avenge the deaths of his loved ones. After managing to steal the blood from the killer herself, he constructs a young, adorable little boy who holds the power of destruction.

Mai left her family behind to pursue her own goals, following her lifelong dream to work within the 12th Division. When she manages to receive a high rank in said Division, working closely with Mayuri, she finds it impossible to get any work done, with her overprotective younger brother, Yuta. Light MaixMayuri fluff. Set in AU, where Nemu does not exist. Ratings subject to change.