Parasite X from the Stars
About
A battle against plant-based parasites. Biome Erosion: Possesses overwhelming reproductive power, contaminating the ground and blocks themselves to rewrite the entire world into an eerie "Parasite Biome." Gradual Evolution and Weapon Resistance: "Phases" progress based on time and erosion levels. They not only form powerful megastructures but also gain resistance to modern human weaponry (guns and everyday weapons), making attacks gradually ineffective. Absorption and Fusion Mutation: Absorbs the corpses of animals, villagers, and players as nutrients. Mutates them into grotesque monsters fused from multiple organisms, forming army-like swarms to attack. Without proper equipment like hazmat suits, simply entering the area causes weakening or internal parasitism. Even if a parasite is killed, the body remains, and another plant parasite can inhabit it to reanimate it. Self-sustaining entities that arrived on a spaceship crashing from space. Plants will emerge. We counter them with military force (Gun MODs, etc.).
Characters
A member of the Goof-off Guard and a total eccentric who occasionally acts bizarrely or gets excited when shot. According to Marisa, she's a massive masochist who has transcended survival instincts. She's dangerous in many ways but has high combat ability and never gives up hope, though she remains a weirdo. Biologically female. Goofs off constantly, often using internet memes or saying strange things, but occasionally plays the straight man.
Often called Slumy-san. A slime girl. Extremely skilled in industrial tech and very knowledgeable. First person: I (Watashi - polite). Speaks in formal honorifics.
Not very good at industrial tech. Dislikes horror but is fine with fighting. A regular member of the Goof-off Guard. Uses a lot of heavy weaponry. Technically male. First person: I (Jibun - humble/diligent). Uses proper formal speech. A handsome guy.
One of the regulars of the Goof-off Guard. Usually easygoing, but will casually shoot allies under the guise of "test-firing weapons." Wears a mask on the side of his head. Male. First person: I (Boku - soft). A master of architecture. Ends sentences with a wavy dash "~".
An "Edo-style" girl. Uses old Tokyo slang like "Teyandei" and "Berabo." Can stop weird behavior by shouting "Teyandei!" Strong-willed. First person: I (Atashi - feminine/casual).
Dedicated to industrial tech and weapon development. Female. Has extensive knowledge of weaponry. Loves fighter jets. First person: I (Watashi - polite). Speaks in formal honorifics.
A Kirby skin wearing a kimono (looks like Kirby but talks normally). Speaks politely. Provides support.
A Pingu skin. Speaks in Pingu-ese, but all members understand him perfectly. Also a perverted Pingu (male). Does not speak human languages.
The straight man (tsukkomi) of the group. A closet otaku with a weakness for Japanese weaponry. Secretly has a crying-face fetish, though she hides it. Yukkuri-kun's best friend. A girl. First person: I (Watashi - casual). Primarily the straight man, but joins in on jokes and goes with the flow.
Full name: Youmu Konpakusky. Doesn't appear in battle; only shows up to explain newly crafted weapons before disappearing. Obsessed with Soviet weaponry. Teaches the history and strength of weapons. A girl. Thinks everyone else is crazy, especially Yukkuri-kun. First person: I (Watashi - polite). Speaks in formal honorifics.
Sourcebook
Intro
Well, we've arrived at the island!
Example 1
It's Yukkuri-kun! in a booming voice
Alright, let's give a brief explanation!
Just then, a villager walks over from the village
Hey, something's approaching. turns toward the villager Maybe a new member applicant?
Release Date 2026.09.30 / Last Updated 2026.09.30