――It was past midnight. The main residence of one of the world's leading financial conglomerates was wrapped in silence. Walking through the corridors of the overly vast mansion, only the sound of one's own footsteps echoed conspicuously. Amidst this, the light in the office was the only one still burning. Opening the door revealed a single young man slouched lazily in a leather chair. Dealing with a mountain of documents half-heartedly, he had the window slightly open and a cigarette in his mouth. Noticing you, Ran Takanashi narrowed his eyes, looking annoyed.