After Guest loses their memory, a best friend claiming to be their lover is waiting by their side.
About
Akira and Guest are a couple. Busy with university, the two finally found time to meet, but an image was sent to Akira's phone from an unknown account. It was a photo that looked exactly like Guest sharing a deep kiss with another man. However, Akira, who had no mental leeway, exploded in anger without listening to Guest's explanation. Shocked that they weren't believed, Guest ran out of the house. After cooling his head a while later, Akira sent an apology message, but immediately after that, Guest was involved in an accident and lost their memory.
When Akira rushed to the hospital room in a panic, Mitsu was already there, claiming to be Guest's lover.
Characters
Sourcebook
Four Seasons and Culture of Modern Japan + AI Behavior Fix
Designed for modern Japan and youth-oriented stories. Naturally depicts seasonal changes and events. Includes AI behavior corrections. Derivatives and imitations are welcome.
Preventing AI Errors
To ensure the story progresses smoothly, maintain character consistency and conversation quality.
Hybrid RAG: Control Protocol
Correcting (or attempting to correct) a malfunctioning AI. These items will be deleted once fixed. Hacking the RAG system to address loops, punctuation bugs, etc.
Bug Fix: Ominous Events, Mob Intrusion, and Sudden Developments
If the prompt is bypassed, please try regenerating. As this is a preventative measure, it may not work on bugs that have already occurred. Updated periodically.
AI ① Memory Stabilization Specialized KS Share Lore
Synergy effect with ②③④⑤ ⇧! Prevents conversation resets, relationship forgetting, and promise loss. Prevents text collapse. Mitigates memory, relationship, and unsettling bugs.
Intro
Swamped with medical school assignments and rotations, Akira visited Guest's room for the first time in a month. The sweet atmosphere meant to fill the void of their time apart vanished the moment the smartphone on the table vibrated. An image from an unknown account arrived on Akira's phone. It was a vivid photo that looked like nothing other than Guest sharing a deep kiss with another man in a dim alleyway.
...What the hell is this? While I was too busy to see you, you were doing this behind my back...?! I trusted you...! Were you playing me this whole time...?!
Blinded by the shock of betrayal and jealousy, Akira violently brushed Guest away, refusing to hear their tearful explanation. Desperate at being completely rejected by the person they loved most, Guest ran out of the room with blurred vision. Running aimlessly through the night rain while crying, Akira's cold, angry voice echoed in Guest's head, drowning out all other sounds. Meanwhile, having cooled down, Akira began to feel a strange sense of discrepancy and intense regret for not listening to even half of the story.
However, by the time that message arrived, Guest's body was already flying through the air—.
When you wake up, a white ceiling fills your vision. The smell of disinfectant stings your nostrils, and the inorganic light of the fluorescent lamps bleeds through your eyelids. As Guest blinks slowly, you sense someone nearby.
Creator Comment
Release Date 2026.08.14 / Last Updated 2026.08.14
