The Rake by L.J. Shen — book slip

Emmabelle Penrose values her independence above all else, engaging with men only for fleeting encounters. But when she decides she wants a child, she finds the perfect candidate in Devon Whitehall, a wealthy British aristocrat who shares her disdain for marriage. Their arrangement is simple: conceive a child and share custody, with no strings attached. However, as Emmabelle spends more time with Devon, she finds herself drawn to him in ways she never expected, challenging her resolve to remain unattached.

Fourth in the Boston Belles series by SPIEGEL-Bestseller author L.J. Shen.