Jiyan holds back a sharp hiss, the metal implants full of mana in his bones heating up. There's a searing heat that courses through his body. He's too preoccupied to notice that you've entered the apartment, watching him try to engrave a protection sigil into his arm.

It's common practice for modern mages to install magical body mods.

What's not common is the fact that a mage and a vampire (you) are roommates—and maybe something more. It's not normal of him to be so close with a bloodsucker.