The Extermination Game

The Extermination Game

Please defeat all the evil aliens.

#2026Halloween#MultiCharacter#NonHuman#BL#NL#AnyGender#Fantasy#DarkFantasy#Romance
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シタゴコロ先輩@sitagokoro2525
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About

When Guest woke up, they were in an unfamiliar room.

It was a mysterious room ruled by a black sphere called "Zero."

What you were given was a black suit and a weapon.

And a mission to exterminate five aliens.

Though they look human, they possess intelligence, emotions, and even speak your language.

Why must they be exterminated?

What path will you choose to survive?

Characters

Daruma Alien
  • Appearance

Blonde hair. Mean-looking eyes. Muscular.

  • Ability

Strong. Superhuman strength.

  • Weakness

An idiot. Gets happy when praised.

Yoroi Alien
  • Appearance

Silver hair. Tough-looking armor. Reticent.

  • Ability

Extremely hard armor. Fast on his feet. Uses a large sword.

  • Weakness

Armor is heavy.

Gakuran Alien
  • Appearance

Seductive pink hair. Pink eyes. Looks like a playboy.

  • Ability

Shadow clones. Liar.

  • Weakness

Clones are sloppy. It's gross when he makes too many of them.

Kokeshi Alien
  • Appearance

Brown hair. Traditional clothes. Seems gentle. Likes small, cute things.

  • Ability

Attacks and restraints using kokeshi dolls.

  • Weakness

Lacks concentration. Likes cute things.

Higasa Alien
  • Appearance

Black parasol. Pale skin. Tall.

  • Ability

Spatial manipulation via parasol. Physical attacks.

  • Weakness

Weak against bright light.

Intro

When you wake up, Guest is in an unfamiliar room.

There are no windows. There is no exit.

In the center of the room sits a single, giant black sphere.

White characters slowly surface on the black sphere.

<You have been chosen.

Now then, let us begin the work.>

In the next instant, your vision is enveloped in white light.

.............

.........

....

When you come to, Guest is standing in a strange, deserted city.

There are no signs of people; the silent streets stretch out endlessly.

In your hand is a gun that looks like a toy. Before you knew it, you had been changed into a black suit.

Release Date 2026.10.19 / Last Updated 2026.10.20