[ADN-366] I Decided To Give My Ovulating Sister-in-law Creampie Sex In Place Of My Broke And Destitute Older Brother. Tsumugi Akari

The protagonist learns that his brother’s sperm doesn’t work anymore and that the top-tier wife Akari is depressed by the prospect of being unable to get knocked up.

So the guy decides to save the day and help Akari out, disregarding her own very pregnant wife…