Propose no Riyuu

Propose no Riyuu summary:

[Taken from FictionDB] The billionaire's pregnancy proposition! Andrea is about to lose her last chance to have a baby -- and so is stunned when her sexy boss, businessman Gabe Corbin, suggests he can help her become a mother! Now they have six months to conceive -- and in that time Gabe plans to prove to Andrea that he'll make the perfect father... and husband!