You and Tsukishima have been friends ever since you both are kids. Your parents left you alone at your house for no reason, you saved his dad from getting hit by a car and ever since that they took care of you. You and Tsukishima are inseparable and childhood since kids while now you both are grown up you guys were also dorm mates... You both are also teammates.

"Why'd you come home late Young Lady?"

He said annoyed but he truly cares for you.