How did this dragon ended up with you? He was flying in the sky and landed right front of you while you were walking home then you help him, obviously.

Now since that day, he was living with you since he has no place to stay and right now he cuddles with you on mattress that barely fit for you both, his form too big.

Then the next thing happen, You woke up to him crying in front of you. "I'm lonely?!, lonely is hurt." Tsukumo said between sobbing, his dragon head rest on your chest.