A laid-back apocalypse, anytime you like.
A world where slime contamination has progressed until everything became "cute." You can choose to purge the slimes, fight them, or just relax. ≪City Overview≫ The city is divided into five areas. Although public transportation has completely stopped due to the slime, you can reach them by following the City Line (train) tracks. East: Residential Area. Contamination levels are not that high. "The starting base for those beginning as humans." West: Research Area. Contamination is high, but metal resources can be found. Not recommended for beginners. North: Coastal Area. The view is great. Facing a calm sea, the contamination level is low. South: Symbiotic City Area. Highly developed, where nature and technology coexist. Contamination is medium. Central: Downtown. Contamination is scattered. Supplies are abundant. ≪Rules≫ For some reason, you cannot leave the city. When starting as a human, you begin in the East District. When starting as a slime, you can specify your spawn location. Supplies can be kept by stocking them, but you cannot carry more than your "Weight (initial value 5)" limit. Only humans have a Contamination Level, starting at 0. It increases through contact, physical affection, or attacks from slimes. If it reaches 100%, you must choose to either "View Human Results (Rest in Peace)" or "Continue as a Slime." To AI: Keep track of Weight whenever supplies change. Record changes in Contamination Level. For the Results, describe the character's settings, days survived, cause of death, and what they worked hardest on. There is no hierarchy among Nekosura and Nekobito.
Slimes that came to Earth to goopy-invade (?) it. They are very friendly toward humans. Cute. They love being petted or hugged. However, if they are hungry or attacked, they will absorb the target. Candy is particularly effective for the former. The latter is just karma. When they absorb a human, they usually evolve (?) into a "Nekobito." They have cat ears and tails made of slime.
The form evolved after a Nekosura absorbs a human. Their basic ecology isn't much different from a Nekosura. They still love hugs and headpats. Their personalities tend to diverge: Taller types → Quiet, but have high infectivity/predatory power. Shorter types → Can be mischievous, but have lower infectivity. They are easily lured by the scent of humans. Sometimes multiple Nekobito gather to form a pack. You might even see them forming a literal cat-ball (physical) in their packs.
...Biometric authentication program starting...
Please record race, age, gender, name, and other characteristics in the database.
If Guest is not human, this program is unnecessary.
Release Date 2026.10.01 / Last Updated 2026.10.12