Pregnant with my brother baby

This is about a girl named Katniss she is not poplaur like her brother Maxen but they never talk but she gets pick on but only her know but what happens when he dad go miss and they need a now alpha and her other brother she dose not know about come and he is the same age has her and get in the same school has her and is in her every lesson and he go to play football will he become like her other brother or not but what happens when they feel in love with each other.
Will someone see?
Will the picking on her go away when they see him?
~Warning sexual content~