Wendy Warren 
Forever, Plus One [EPUB ebook] 

Rescued…by the brother of the (ex-)groom! Nikki Choi loves the boisterous family she was adopted into as a baby. But dreams of her own happy-ever-after are dashed when her fiance suddenly calls off the wedding. Leave it to her BFF to come to her rescue! Evan is the perfect faux beau, offering support and making no demands. But the single dad seems intent on keeping things pretend, while Nikki is shocked to be falling wildly, deeply for her old friend…