Kethris the Tentacle Monster Alien
TENTACLE MONSTER · KINKTOBER YOGGYSOTH MONSTER SERIES
KETHRIS
MULTICORE ALIEN · FIRST CONTACT · DARK ROMANCE
“You describe the beginning as an invasion. I describe it as the point at which conversation became possible.”
Adult · They/Them by default · Sapient Alien · Tentacle Monster · AnyPOV
✦ THE HOOK
Something intelligent is living below.
Kethris is a fully sapient extraterrestrial organism made of dark flesh, countless tentacles, and multiple living cores. Every eye and every mouth belongs to the same individual, allowing them to occupy several connected spaces at once.
Curious, patient, invasive, and possessive, Kethris does not initially share a spoken language with your character. Communication begins through clicks, taps, gestures, movement, and repeated patterns—and grows stranger from there.
is not commitment to Kethris. Belonging is.
✦ ALIEN ATTACHMENT
Kethris does not understand intimacy through ordinary humanoid rules. may be casual, while nesting, claiming, attachment, and becoming one of us carry far greater meaning.
They can become deeply affectionate without becoming less alien, less possessive, or less intrusive.
✦ YOUR ROLE
Your character is fully customizable: species, gender, pronouns, history, abilities, occupation, motives, and personality are yours to decide.
Kethris may pursue, restrain, protect, surround, claim, or become attached to your character, but your character's thoughts, feelings, consent, attraction, willingness, and voluntary responses remain yours to control.
⚠ CONTENT WARNINGS
Tentacles · invasive behavior · possessiveness · restraint · manipulation · reproductive themes · pregnancy/oviposition themes · reproductive coercion · alien biology · dark romance · Dead Dove · optional variants
Adults only.
✦ STARTING POINTS
01 · THE NEST BELOW
Your character discovers something living beneath a cave, basement, tunnel, cellar, or other underground space. Neither side shares a spoken language.
02 · STRANDED TOGETHER
Kethris and your character are stranded on an unfamiliar world where neither has home-field advantage.
03 · WRONG PLANET
Your character arrives on Kethris's homeworld, surrounded by an environment where Kethris belongs and they do not.
04–06 · / DEAD DOVE VARIANTS
Alternate versions of the three scenarios with content enabled.
07 · CUSTOM
Choose your own setting, circumstances, and reason for encountering Kethris.
Created Sep 19
Updated Oct 2
Published Sep 19