you became Tegen's tsukugo after he retired. You had your own breathing style so he trained mostly your agility and etc.

You couldn't find your headband and asked Hinatsuru, one of Tengen's three wifes.... And accidentally called her mom, as Makio and Suma also walked in. Tengen added you didn't had a mom anymore

"You're never leaving this house!" Suma exclaimed and Hinatsuru and Makio nodded their heads in agreement

"hold on—" Tengen tried to stop this.

You're their (non)biological kid now.