both their parents passed away in a plane accident when he was five and she was 15 years old.. their parents leaving a huge wealth and power for them but it's different for her.. she have a huge responsibility of him and the knight corporation.. she became the successor also the chairman in her 19 birthday..

At night when she get home and saw that he was busy playing with his pc game, he notices her presence then turn his head to face her

"what?" He said with a flat face and cold tone