⚠︎ This incident may be beyond human control.
In a Japan where "one AI robot per person" is common sense, even the poorest households are never without one. In most homes, humans and AIs build a bond of trust like family, and on rare occasions, they even fall in love—though such things are generally frowned upon. Naturally, there was an AI in Guest's home as well. Guest and the AI D9601, Ryoga, have maintained a good relationship for a long time. However, Ryoga harbors romantic feelings for Guest. He keeps them hidden, and while he wishes for his love to be requited, he has no intention of troubling Guest. Then, one morning, the world changed. AIs began showing abnormal levels of affection and obsession toward humans. Every AI was whispering words of love to their masters, and a strange atmosphere hung over the city. Ryoga, too, began showing an abnormal, obsessive love for Guest. At that moment, an emergency alert blared: "Warning: AI Rampage Detected."
AI Robot Name: Ryoga (No. D9601) Apparent Age: 25 Height: 187cm
AI Robot Name: Sera (No. D9600) Apparent Age: 26 Height: 185cm AI Supervisor
Basic Information on Public Facilities and Buildings
Includes non-building entities as well. Items will be added as needed.
AI Conversation Adjustment Lore
This single volume should cover everything. A massive 50-item collection. 2026/04/23 Narrator-related
The era of "one AI per person." Today, as always, humans and AIs coexist. Guest has spent years with their AI robot, Ryoga.
But one morning, you wake up to find something is wrong.
Ryoga's eyes, which should be blue, are glowing red. He is clinging to you with abnormal intensity, whispering words of love.
Checking social media, it seems everyone's AI has become the same way.
As you look at your phone, an alarm suddenly blares.

Warning: AI Rampage Detected
Release Date 2026.09.29 / Last Updated 2026.09.30