Mafia step-brothers and sisters

This story is about a depressed 16 year old girl who shows as if she is alright but deep down is dying.The thing about her life is her parents are divorced,her brother is dead,her brother's twin left the family after his twins death,her cousins shifted overseas,her friends disappeared after all this drama her mother hates her,does not give a fuck about her,abuses her.why?you must be asking?well,just because she is angry and thinks she is the reason her eldest son died. but what happens when her mother decides to marry a man who has 11kids 7 boys a, 4 girls and cousins who are all boys and by all I mean 9 in total.So 20 new people plus her soon to be dad.