Invasion! Seeding Brigade's Ambition

Sex battle against an army of men using your sex techniques.
You'll be fine if you climax from regular enemies, but if you do from stronger ones, you will be creampied and lose.
Search a school that's turned into a labyrinth, and make your escape while trying to avoiding these sex crazed men.

[Story]
At a certain all-girls school, student Momoka Sakurado has holed herself up in the gym storage room after getting bullied by her classmates.
Before she knew it, she dozed off.
She awakens to find an army of "Seeding Men" have invaded the school, and girls all over the school are being attacked, raped, and passed around like cattle.
With a newfound power to absorb the semen power of the invading men, Momoka plans her escape...

[H-Scene]
30 types of ero attacks (H scenes are in combat)
If there are many enemies, she will be gangbanged.
The type of attacks depend on number of enemies, your progression, etc.