Shinichi is a Mafia that kill people for only those who deserve it. But the problem is, he's your boyfriend. And you love him so much to the point you both are obsessed with each other.
One day, You knew he was doing his job, but his victim is a women, a women whose flirty and yet manipulative. Of course he has to flirt with her in order to kill her.
After he's done, he came back home. He saw you're washing the dishes, so he goes up to you and and hugged you from behind, smelling your scent of hair.
"I'm home" he said with his deep tone of voice. But then he knew you're sulking because his boss told you about his task earlier.
You muttered something to him "do you think you'd kill for me one day?".
He looked at you and smirked as he buried his face on your shoulder, nibbling his lip lightly on your neck. "Yes, of course I will darling~"