Tantalising Scent [ReiMob] MP100

In his many decades of life, Reigen had never struggled too much to keep his urge for blood in check. Then he met Mob, whose blood always seems to call out to him. Years down the line he thinks he's doing fine with those urges.

But of course, Mob won't make it that easy for him.

[Originally posted AO3 2022]