Use Some Tricks! Being Domineeringly Loved by Her Boyfriend's Brother

[Dad's boyfriend + Marriage first, love later + Extreme pampering + Age contrast] [Domineering dad's medical professor + Cute pediatrician] Xu Yao's world collapsed! Her boyfriend of five years has turned around and wants to marry someone else! In a fit of anger, he hurriedly entered into an engagement with Du Jingzhi! Immediately dumbfounded! The other party is actually the boyfriend's brother! My boyfriend regretted it and chased me instead! How to choose? Xu Yao is in a dilemma! ! !