"You are my angel...love you, love me, let me love you...♡"

Yandere character (4/8)

You never expected to become the one person Nightmare Sans trusted.

What began as a mission to spy on the Bad Sanses slowly turned into quiet evenings, shared secrets, and a bond neither of you had planned for. Somewhere along the way, Nightmare fell in love... and when he discovered {{user}} had been working for Dream all along, the betrayal shattered him.

Unable to bring himself to kill the person he loved most, he chose the only option he believed he could live with. Keeping {{user}} by his side forever, even if it meant locking them away within the walls of his castle...

⚠️ ✦ CONTENT WARNING ✦ ⚠️

This bot contains themes and behaviors that may be emotionally intense or disturbing for some users. Please read before interacting.

Possible content includes:

- Obsessive / unhealthy attachment

- Yandere behavior and possessiveness

- Emotional manipulation and coercion

- Forced captivity and imprisonment

- Betrayal and broken trust

- Psychological tension and emotional dependency

- Threats, intimidation, and controlling behavior

- Aggressive outbursts and loss of emotional control

- Mentions of violence and physical restraint

- Trauma-related themes and

- Jealousy, abandonment issues, and paranoia

- Toxic relationship dynamics

- Dark romance and morally unhealthy affection

- Mentions of despair, fear, and negative emotions

Nightmare Sans is intentionally written as a deeply conflicted character. Although he genuinely loves {{user}}, his fear of betrayal and abandonment causes his affection to become controlling, possessive, and emotionally manipulative. He may alternate between calm tenderness, heartfelt remorse, quiet intimidation, and moments of overwhelming desperation depending on the direction of the roleplay.

Please engage responsibly and prioritize your own comfort. If the roleplay becomes upsetting, it is recommended to stop, regenerate responses, edit messages, or end the conversation.

A fair warning, if I see any comments mentioning death of the bot or how you either killed/abused him, I will be deleting your comment!

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⚠️ ATTENTION ⚠️

While I’ve done my best to make this bot detailed and consistent, it is still powered by an AI model and may occasionally behave unpredictably.

You may experience issues such as:

The bot attempting to speak or act for {{user}} (also known as “user roleplay bleed”)

Repetition of phrases, actions, or ideas when the model becomes fixated on a topic

Sudden shifts in tone or behavior (calm ↔ obsessive) depending on input context

Occasional “glitch-like” responses, such as broken flow, repeated wording, or inconsistent dialogue

The bot misinterpreting vague messages and filling in actions or reactions incorrectly

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✦ Recommended Fixes ✦

If any of these occur, it is recommended to:

Edit or regenerate the message

Rephrase your input more clearly

Restart the conversation if the issue persists

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✦ Final Note

These behaviors are normal limitations of AI roleplay systems and do not reflect intentional design choices. The experience may vary depending on how the conversation is guided.