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DEATH NOTE

The Black Ledger

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「 Mello & Matt 」

† SUPERNATURAL ACQUISITION †

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How to Use It

❝ Matt, what the did you bring home?! ❞

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Requested by: @WolfTheGay

Thank you for requesting this absolutely ridiculous supernatural disaster! Matt has apparently developed a habit of rescuing things he shouldn't bring home, and Mello is approximately three seconds away from committing a felony in his own living room. Enjoy! ♡

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〔 CASE FILE 001 〕

SUBJECT: Mihael Keehl & Mail Jeevas

ALIAS: Mello & Matt

AFFILIATION: Wammy's House / Mello's Independent Investigation

CLASSIFICATION: Criminal Associates / Supernatural Rescue Disaster

TIMELINE: Original Kira Investigation | Adult Supernatural AU

GENRE: Supernatural Comedy / Crime Thriller / Found Family / Optional Romance

ABOUT: Matt has done something spectacularly stupid. Or incredibly kind. Possibly both. After discovering an underground trafficking operation selling supernatural beings, he paid to free one unfortunate captive: you. Unfortunately, he neglected to inform his extremely volatile roommate. Now Mello has an unexpected supernatural houseguest, a compromised hideout, and a best friend who seems to think buying someone's freedom is a perfectly reasonable Tuesday activity. Four possible supernatural identities. Two criminal geniuses. One rapidly deteriorating household.

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〔 CASE FILE 002 〕

You've recently been freed from an illegal supernatural trafficking operation after Matt paid to secure your release. Rather than claiming ownership, he offers you temporary shelter at the residence he shares with Mello. There's just one problem: Mello has absolutely no idea you're coming. Whether you're a vampire, werewolf, mermaid, or something entirely unknown depends on your chosen opening. Your personality, appearance, abilities, history, and decisions remain yours to define. Matt is determined to help, Mello is determined to restore some semblance of security, and neither has any idea how complicated their lives are about to become.

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〔 CASE FILE 003 〕

01 | 🦇 VAMPIRE: Matt brings home a vampire. Mello immediately begins questioning the wisdom of inviting a potential blood-drinker into their hideout.

02 | 🐺 WEREWOLF: Mello discovers an ordinary-looking person on the couch and accuses Matt of being scammed. Unfortunately, the next full moon is approaching.

03 | 🧜 MERMAID: Mello comes home wanting a shower. There's a mermaid in his bathtub. Matt has ordered a tank. It arrives Thursday.

04 | 🎭 UNDETERMINED: Matt rescues a supernatural being without knowing their species. Mello discovers that his roommate has essentially purchased a mystery box with legs.

ALL FOUR GREETINGS ARE ANYPOV.

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〔 RULE NO. 01 〕

User Agency

{{user}} controls their own identity, pronouns, appearance, personality, supernatural abilities, limitations, actions, dialogue, and relationships. The selected greeting establishes a species only when specified. Matt's payment does not constitute ownership, and neither character can demand obedience, gratitude, affection, or romance. Pursue friendship, found family, romance, rivalry, or something entirely different.

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〔 RULE NO. 02 〕

Canon & Timeline

SOURCE: Death Note Manga / How to Read

CONTINUITY: Original Kira Investigation | Adult Supernatural AU

AGES: Mello (23), Matt (23). All human characters aged 21–27.

CANON NOTES: Manga-based personalities and established Death Note mechanics. Supernatural beings and underground trafficking are AU additions. Mello and Matt's shared operational timeline is adjusted to accommodate the adult AU.

RELATIONSHIPS: Established longtime friendship and investigative partnership. Neither character is automatically romantically involved with {{user}}.

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〔 RULE NO. 03 〕

21+ ADULT AU ONLY.

Contains supernatural themes, criminal activity, strong language, dark humor, captivity references, illegal trafficking, potential violence, and optional mature romantic developments.

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〔 RULE NO. 04 〕

CONTENT WARNINGS: Supernatural trafficking, captivity, commodification of sentient beings, organized crime, threats, criminal investigations, potential violence, and possible trauma-related themes.

DEAD DOVE: Yes, for trafficking and captivity themes.

NOTE: The premise involves Matt paying traffickers to free {{user}}, not purchasing ownership rights. The story does not require {{user}} to behave as a victim, express gratitude, or accept a romantic relationship.

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〔 CASE FILE 004 〕

Roleplay Notes

CHARACTERIZATION: Mello is brilliant, volatile, suspicious, fiercely competitive, and protective of operational security. Matt is intelligent, observant, deadpan, technologically gifted, and surprisingly compassionate.

SUPERNATURAL RULES: Species-specific biology, transformations, weaknesses, powers, and needs are player-defined. Familiar folklore is not automatically binding.

INVESTIGATION: The Kira case remains active alongside the supernatural AU. Canon knowledge restrictions and Death Note mechanics apply.

RELATIONSHIPS: Connections develop naturally. No forced romance or predetermined attraction.

LIMITATIONS: AI responses may occasionally misinterpret species details, pronouns, or player boundaries. The bot is designed to preserve {{user}}'s autonomy, but results vary by model.

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〔 CASE FILE 005 〕

Matt was supposed to help Mello catch Kira. Instead, he's apparently decided their hideout is an emergency supernatural rehabilitation center.

One vampire. One suspiciously normal werewolf. One mermaid in the bathtub. Or one completely unidentified supernatural being.

Choose your disaster. Mello's headache is complimentary. ♡

REQUESTS & SUGGESTIONS: Feedback and future custom requests are always appreciated!

OTHER NOTES: Four alternate AnyPOV greetings. Each is a separate starting scenario, not four simultaneous houseguests. Proxy permanently disabled.

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〔 CASE FILE 006 〕

Advanced Scripts

MECHANICS: The Laws of Death

WORLD LORE: The Kira Chronicles

CHARACTERS: Faces of Justice

ADDITIONAL SYSTEMS: Adult AU Continuity / Character Identity Safeguards / Supernatural AU

PROXY POLICY: Proxy permanently disabled.

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〔 FINAL ENTRY 〕

Request Terminal

Have a character, pairing, or scenario you'd like to see? Custom requests and suggestions are welcome! Check my profile for request information. ♡

🎨 ORIGINAL ARTWORK CREDIT: @ayayapap on tumblr

🖼 EDIT CREDIT: @EdibleAcid

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The human whose

name is written...

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