ONEZ-245 Erotic space monster Atomic★Shuri invades Earth!! Can you save the world's peace with sex? Atomic Shuri

In the year 2XXX, aliens suddenly visited Earth. A giant monster "Atomic Shuri" that came from the Atomic Nebula. Princess Atomicshuri thought that it would be too easy and uninteresting to easily obtain the Earth by force. So she offers a one-on-one match to the Earth side. A one-on-one duel with the Earth representative, it's a simple match of "SEX" according to the tradition of the Shuri tribe and who makes the other person feel good. Dense and rich SEX that puts the fate of the earth at stake ... So you are the most lewd and unfaithful among the earthlings. Now, the night on which the future of mankind is at stake begins... Can you survive?