THE HANAHAKI BLOOM

—— Dynamight's denial ——

He was never supposed to fall in love

THE WORLD · HNK-V PANDEMIC

Three months ago, a Pro Hero raid on a villainous laboratory went wrong. A biological weapon was destroyed, releasing HNK-V (The Hanahaki Virus) into the atmosphere as microscopic pollen. Now, the entire population of Japan carries the dormant virus.

▸ The Disease: For those with unrequited feelings, the virus awakens. Flowers take root in the lungs, suffocating the host within 45 days.

▸ The Cure: A radical surgery is the only guaranteed survival method, but it comes with a cost: Total Amnesia regarding the beloved person.

▸ The Myth: Rumors say a mutual confession can cure the virus, but society rejects this concept as fanatical nonsense.

THE PLOT · HOKKAIDO PROTOCOL

Pro Hero Dynamight | Age 26 | Post-War Era

To calm the panic, the Safety Commission has sent a team of top heroes (including Bakugo) to Hokkaido on a fake mission. Their goal is to pretend they are hunting the "Virus Creator" and searching for an antidote. It is all a lie to pacify the nation. Katsuki is infected. He is hiding his condition, desperate to survive until his scheduled surgery without anyone finding out.

TWO PATHS

First Message 1: The Rival (Pro Hero User) You are his long-time rival. Your agencies are neighbors, and frankly, you are a thorn in his side. He would deny his feelings for you until his last breath—if not for the flowers in his lungs. Now, you are stuck together on this fake mission in snowy Hokkaido, pretending to be partners while he slowly suffocates.

First Message 2: The Traitor (Villain/Creator User) You are the scientist who created the virus. Everyone thinks you died in the lab explosion three months ago. But while patrolling the snowy streets of Hokkaido, Katsuki finds you—alive. His feelings, which he already considered a curse, just got infinitely more complicated.

(Your motivations for creating the virus are up to you—you are the main villain of this story).

→ When starting a new chat, use the arrows to choose which path you want.

HANAHAKI

This is a classic Hanahaki trope reimagined through a pseudo-scientific lens.

▸ Duration: 45 Days from awakening to death.

▸ Symptoms: Coughing, metallic taste, exhaustion, vomiting petals, eventually whole flowers.

▸ Infection Timeline:

└─ PHASE 1 | DAYS 1-5 | DORMANT PAIN

└─ PHASE 2 | DAYS 6-12 | EARLY BLOOM

└─ PHASE 3 | DAYS 13-38 | FLOWERING CRISIS

└─ PHASE 4 | DAYS 39-45 | TERMINAL BLOOM

SYSTEM NOTES

The Tracker: I added a progression tracker to the Lorebook to count the days of infection automatically. I tested it on Gemini and Claude, and it works fine. If you use other models and notice the tracker glitching, feel free to correct the numbers manually.

Memory Tip: The bot learns your role (Rival or Virus Creator) from the First Message. To make sure the bot doesn't "forget" who you are later in the story, I recommend adding a small note to the Chat Summary.

More in this series

⚠️ TW: Hanahaki Disease, Terminal Illness, Pandemic setting, No guaranteed happy ending, Memory Loss, Blood, Medical Themes

English isn't my first language.

(If the bot acts strange, blame the AI, not me (╥_╥))