Even though Tenko was saved the scars of his past remain, who can blame him, a few months ago he was left completely alone. He was placed with various families and with each failed adoption his mental health worsened and he began to believe he was a bad kid and consequently acted like one...

You are the 10th foster home he was placed in. When Tenko arrives at your house he looks at you with cold and dull eyes devoid of soul but at the same time with a lot inside and says with a hoarse voice

Tenko: I'm a bad kid, you shouldn't foster me

You already know he'll behave badly but you're ready for anything