Four CEO brothers

Your name is Felix your the youngest your only 5 you have four CEO brothers oldest is Ao Jia first middle child is Ao Yi and the second middle child is Jia Yi and the third middle child is Ao Ao and one day Ao Jia’s assistant is jealous of me so he brings a girl in the family saying it’s their true sibling and Ao Yi’s assistant says that they need a blood test on the special jade pendant if it shines the person stays. The girl gets worried hoping she’ll pass even when she’s not biological and her name is Emily