Baby on my doorstep

A collage girl name winter came from a long night out with friends and when she came home she finds a baby on her door step . She doesn't know what to do .

A few years later she finds out the Baby is a boy and named him Xavier . what's happens When she heard a knock on her door and when she opens it . She finds out it's Xavier parents and siblings wanting him to come home with them.

What will happen?
Will she fight for him?
How is Xavier going to feel about his parents and his siblings wanting him to come ?