Shinsuke Kato

Akari Fujii is a middle school teacher. On her 24th birthday, she is kidnapped by two men. These two men call themselves "The Most Lovely Murderers in Criminal History" and they admire the girl Sunny who is idolized on the internet. (themoviedb)

Following a rampage of extreme prejudice, a savage killer targets women as he tries to find a compatible one to engage his fantasies of torture and murder in. With the body count mounting and no one being able to stop him, he grows bolder and goes to more extreme measures to carry out his rampage, eventually catching the eye of a female serial killer who's just as sadistic as he is, forcing them into a deadly and dangerous showdown.

A conman refuses to believe that the nice old lady sitting opposite him at the bar is a centuries-old vampire, yet he's starting to feel more and more uncomfortable. (imdb)