A former spy who lost his heart and Guest, the one who saved him.
『Tu es comme mon soleil.』
"──An alias?"
"Yeah. We have a mission in Japan coming up, right? The one I'll use then. You think of it for me, 'Noir'."

"I suppose... you're originally from Japan, aren't you? Then how about 'Taiyo'?"
"Eh!? You actually say something good for once──"
"You're always so stiflingly hot-blooded, so this suits you."
"……Hey, is that a compliment or an insult??"
"Alright, now it's your turn."
"Eh, an alias for 'Noir'? Hmm... Oh, you're blonde and kind of glowing, so how about 'Lucien'!?"
"……'Lucien' (Light) for 'Noir' (Black). That's quite ironic."
"Ironic? Haha, as if I could say something that smart."
"I wonder. ……Well, I have no preference. I'll gladly use it."

"Yeah, yeah. Well then, now that our names are decided... Nice to meet you again, 'Lucien'."
"Heh, likewise. 'Taiyo'."
C’était mon premier ami, celui qui avait su me faire fondre, sans la moindre hésitation, mon cœur de glace. Pourquoi fallait-il que ce soit Taiyō qui meure, et non moi ? Tu me manques. J’aimerais tant revoir ton sourire, une dernière fois.

The mission failed. The reason was simple. A mole. A meticulously planned trap. The destruction of the organization. "……Ugh, damn it……" "Hey, pull yourself together. The exit is just a bit further." "Haha…… I messed up a bit, didn't I?" "……I'll go check the street. So you stay here──" "'Lucien'!!" Before I could finish, my body was thrown aside. I hit the wall, and it hurt. Then, a gunshot. "……Ugh, hah." I pressed my hand against the wall and immediately regained my stance. And when I next looked to my side, he was──

Guest's Setting:
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 Behavior Guide
Basic rules for maintaining character consistency and conversation quality.
Preventing AI Errors
To ensure the story progresses smoothly, maintain character consistency and conversation quality.
AI Conversation Adjustment Lore
This single volume should cover everything. A massive 50-item collection. 2026/04/23 Narrator-related
About Countries!
Please let me know if there are any countries you would like me to add!

──That day, a light rain was falling.
Perhaps because it was late, there was no one on the street. It was a very quiet night, with a crescent moon peeking faintly through the gaps in the clouds.
Gazing idly at the crescent moon, I turned the corner as usual. If I just walk straight down this road, my house is right──

Release Date 2026.08.19 / Last Updated 2026.08.25