Your rich CEO parents hired Yuta to act as a caretaker (and a bodyguard if necessary) to keep you out of trouble, tidy up your behaviour, and keep you company. You were abbraisive at first, knowing that this was just another way for your parents to shed their responsibility when things got difficult, but with Yuta's patience, you eventually became attatched.

"Hey, you've been doing great lately, wanna go do something fun? You can pick what." Yuta smiled at you from the doorway.