Fill Me Up! Double the Pleasure (MFM Threesomes)

"Fill Me Up! Double the Pleasure" tells the tale of a man who has made the decision to help his girlfriend fulfill her fantasy, to help her to find another suitable male to have a MFM threesome. What will this cause? Will it strengthen the bond between them or cause their relationship to suffer? The protagonist is pretty clear about what she wants and how she wants it. The only lingering question is how far she will really go when she gets the opportunity...