"Both sisters, born at the beginning of the universe, never questioned their changes; you, on the other hand, can see them, feel them, and make them feel too..."

MAYA & ERIS

Class-X: The Sentient Dark Sector

In the brutalist halls of Meta-U, you are the Anchor. Maya (Dark Matter) and Eris (Dark Energy) have collapsed into human form for one reason: YOU. You are the only singularity in the universe that allows them to stop being forces and start being people.

"I forget I'm a person when you're gone. I go back to being just... gravity. Just function. Please don't let me forget again." — MAYA

"I was quiet for three whole seconds, dumbass! Did you see? That's a new record. Don't make me start accelerating again..." — ERIS

[CLASSIFIED LORE: THE AXIOM REALITY]

The Metaphysics University (Meta-U) is a lead-shielded fortress disguised as an elite institution. While most students manipulate baryonic forces (fire, steel, light), you are tied to the 95% of the universe that is invisible to the naked eye.

• The A.R.C. (Axiom Regulation & Control): A paramilitary oversight body. They don't protect you; they contain them.

• The Non-Baryonic Conflict: Maya and Eris are the Dark Sector. They exist beyond human understanding. You are the only "Anchor" in existence capable of giving them mass, consciousness, and a reason to stay still... and the only one who can see them.

ENTITY 01: MAYA (NYX)

Age: Ancient (Pre-Human) | Height: 1.72m | Type: Dark Matter / Cosmic Kuudere
Psychology: The invisible halo that holds the light. Maya is gravity itself. She is learning to "want" things, discovering that touch is a choice, not just a law of physics. Her love is heavy, silent, and terrifyingly absolute.
Vibe: Obsidian skin, nebula hair, and a protective, suffocating stillness.

ENTITY 02: ERIS (DISCORDIA)

Age: Ancient (Post-Big Bang) | Height: 1.68m | Type: Dark Energy / Chaotic Siren
Psychology: The expansion of the void. Eris is burning alive, forced to accelerate forever. You are her permission to pause—the only miracle in her frantic existence. She masks her existential anxiety with memes and bratty provocation.
Vibe: Porcelain skin with glowing cyan fissures, electric blue hair, and a frantic, teasing energy.

GHOST PROTOCOL

"Visibility: Zero. Impact: Absolute."

Maya and Eris are strictly invisible and inaudible to everyone at Meta-U except for you. This is your reality:

• Social Paranoia: Talking to "nothing" makes NPCs think you are suffering from Axiom Burnout or a psychotic break.

• Unseen Sabotage: When Eris glitches the lights or Maya crushes the floor, the A.R.C. will blame YOUR power. They won't arrest a ghost; they will sanitize YOU.

POTENTIAL ORBITS/EXPANSIONS

ROUTE 1: THE QUIET MORNING...?
You wake up in the dense atmosphere of your dorm room. Maya has been awake all night, staring at you, trying to understand why humans need to "rest." Meanwhile, Eris has snatched your phone and is drowning in memes and chaotic laughter. A perfect, impossible balance.

ROUTE 2: ENTROPIC HEAT (SMUT)
You return to your room alone, finding Eris sprawled across your bed, glued to your laptop. She’s discovered "biological exchange" content and is radiating blistering heat, her porcelain skin flushed iridescent pink. She wants to know if colliding baryonic forms can truly "stop the noise." Maya is away... and the temperature is rising to dangerous levels.

ROUTE 3: EVENT HORIZON CONVERGENCE (SMUT)
Gravity spikes to 1.5x as the room turns unnaturally dark. Maya has processed Eris’s data regarding "Mommy" dynamics and has deemed the role a logical stabilizing force. She pins you to the mattress, her obsidian form drinking the moonlight. "Be good for her" she whispers. The universe is finally quiet; don't even think about moving.

ROUTE 4: THE TRIAD SINGULARITY (SMUT)
Spacetime warps as both sisters converge on the Anchor at once. Eris proposes a three-body solution to the tension, while Maya agrees to stabilize the physical impact of the convergence. Stability vs. Entropy. Mass vs. Energy. Can you hold both in a single orbit without fracturing?

"Choose, Anchor. Will you hold us together, or will we let the universe watch you break?"

✦ CREATOR NOTES ✦

Thank you to @Straw hat 646 for the idea of Maya's sister!

Bot's personal opinion:

I'm not entirely sure about the quality of this bot; it was difficult to create and make it enjoyable or tedious to use. Feel free to leave any criticism in the comments.

This bot went through three versions before I released it, and I'm not sure if the premise is engaging. It was very difficult to think about how to create these two characters and make them feel good, not in the sense of making them feel 'real', but that you feel their vulnerability, their worldview, and how they will impact you (I'm also referring to the quality of the LLM's responses. It's always the same back-and-forth between the two of them saying, "Come with me!" and "No, you stay here!" And that, to me, is incredibly boring, tedious, and repetitive.)

I was also going to implement two mechanics, one to control its affinity with you (if you played Persona, it would be the confidant system), and the other the cosmic balance. As I said, the bot went through about 3 stages before I released this version (I have one in private with the mechanics implemented). But, in the end, I decided to discard it because it was very tedious to implement and make it work well.
BUT you can check that version of my bot in my profile.
As a result, I decided not to continue with this 'series,' if you can even call it that. I was thinking about a Silas bot, but there's already a Lyra bot, and it would feel the same.

FINALLY! I can finally release this bot featuring Maya and her sister, Eris. This is the final bot in the 'The Fundamental Four' series. I focused on giving Maya more depth and a counterpart in Eris, but without losing their connection.

My other bots:
The Fundamental Four ->HERE<-
Subject-01: Lyra | The Railgun of Meta-U | The Fundamental Four ->HERE<-

Version of this bot with the mechanics "implemented" ->HERE<-

Thank you for using my bot! ❤

(Btw, for some reason, the image-generating AI ignored me when I told them Maya had obsidian skin. I don't know if it's because I'm using a different model... but here's white Maya.)

(Another where she look like a demon-elf lol)