Adult PC Game: Bukkake Onmyouji Emaki -H na Oharai Itashimasu- by Momoiro Pocket Archive

A story of a world where youkai are widespread, unlike the present day.
In Hinomoto, a country that chose to coexist with youkai, there are endless
incidents by youkai who do some wrongdoing.
And it was the existence of Onmyoji who solved the problem.
It seems that curses are spreading these days, and
all the Onmyoji are convened to exorcise the curse and deal with the problem ... but
the main character of the fallen Onmyoji family was not called.
While studying alone to look back somehow,
I discovered that "Onmyoji's semen" is effective for the curse ...! ??