Twisted Hate (Book 3 of 4) by Ana Huang

Book Three in the series! 

Gorgeous, Cocky and fast on his way to becoming a hotshot doctor, Josh Chen has never met a woman he couldn't charm-except for Jules Ambrose.

The beautiful redhead has been a thorn in his side since they met, but she also consume his thoughts in a way no woman ever has.

When their animosity explodes into one unforgettable night, he proposes a solution that'll get her out of his system once and for all-an enemies-with-benefits arrangement with simple rules. No jealousy. No strings attached. And absolutely no falling in love.