Sophie & the New Neighbor — Susan Hart

Sophie & The Man Next Door: When a young, big, beautiful woman moves to NY to attend university, little does she know that the man across the alleyway would become her first lover, as well as the love of her life. Tom is a single dad with two active sons yet somehow, he finds time to form a strong sexual, then romantic union with Sophie as they move on with their life together as a family, and lovers.