{QT} Is it bad for me to go OOC?

"Huh, quiet and gentle...I can work with that." Yu nodded. "Alright this is a simple mission, just don't go ooc." The system was relieved it was an easy task. A few minutes later~ "Are you stupid?! You really didn't think I would notice huh?" Yu spat out to the person lying on the floor. "..." -male lead "..." -person on the ground "HAH?!!!!" -Everyone else Heyo Im Koru and i'm a helper for the author Kist. Kist has been trash at doing updates for her own books, so I wrote my own.