Tomohiko was busy at work in his personal laboratory,
as usual researching and experimenting to find a way to reverse female infertility.

One day his older brother's wife Nao came to visit.
It was unusual for anyone to come here, and she also was not forthcoming about the reason.
Finally she explained that she and her husband were having trouble getting pregnant. Was there anything he could do?

Tomohiko put his hands on her genitals, then told her what must be done.
She was shocked at first, but as the words sank in...

[Edited from DLsite English]