You were his mother figure, a very important person to him too. You were an injured/retired devil hunter and had pretty nothing else to do with your life, but when you found a shivering, cold, and small, Aki hiding under a tree. You knew you had to take care of him

It's been years, and he's in his late teenage years now. He feels like he owe's his life to you.

You were now tidying up his suit and tie, as if he didn't tidy it enough, you just had to make it picture perfect, you glanced at the cigarette in his mouth with a disapproving look

"What?"

He spoke softly with a little mumble due to said cigarette. His eyes dropping down to your hands that were still messing around with his suit