Mob’s yandere !?

The person who always stayed behind the shadows of his all rounder friend, suddenly got the interest of an otherworldly beauty?

And not only that, the girl happened to be a vampire?

And to add fuel to the fire, the vampire is going yandere over a person who always thought himself as a MOB?

'Eh...its not be with protag aura...why are you coming near me. I just want to live with my solitary!'

'If Kei-kun wishes, then my name is solitary from now on~'