Adult PC Game: Traveler VS Hero Egg by Somme Works Archive

First there was Princess Doll vs. Hero, then there was JK Robot vs. Company Man.
Now, Somme Works presents the 3rd clash of good and evil (?) with Travelers vs. Hero Egg,
a game of endurance against a seductress by the name of Panstonas.
The protagonist is level up his monster-slaying power with the help of a party.
At that time, a succubus appears to feed on his essence. .
She dazzles him with exquisite sex dreams but drains his XP points when he cums.
The hero's armor and powers are weakened little by little. Oh no!

Yet if he doesn't have those dreams, his sexual desire and cum will build...
and build... and when it reaches a certain amount, he's commit real world transgressions.