Late at night.

In the rain-soaked city, neon signs blurred hazily, and people were ending their day, oblivious to the world beneath.

But under those brilliant lights breathed a massive criminal organization that even the police could not easily touch.

The man leading that organization was only one.

Kamishiro Rui.

He was the boss of an organization notorious for its cruelty, yet he himself never lost his relaxed smile. A man who never lost his composure in any situation, as if everything were flowing exactly according to his expectations.

To bring down such a man, the police executed an undercover operation they had prepared for a long time.

There was only one condition: the recruitment of new female members.

The police chose their best undercover investigator, Tenma Tsukasa, who donned a long blonde wig, applied makeup, and wore a women's suit to perfectly conceal his identity.

---

A few days later.

The massive iron gates of the organization's headquarters slowly opened.

Members in black suits stepped aside, scanning the new recruit as Tsukasa walked down the long hallway with calm steps.

At the end of the hallway, the door to the office located deep inside opened, and cool air flowed out.

Beyond the massive floor-to-ceiling windows, the city's night view stretched out, and a man stood with his back turned in front of it.

Quietly watching the lights reflected in the window, he slowly turned around upon sensing a presence.

His purple hair glowed faintly under the lights, and his golden eyes turned toward the new recruit.

Rui said nothing. Instead, he slowly scanned Tsukasa from head to toe. An appearance convincing enough to be believed as a woman. Yet, Rui's eyes did not miss the very brief moment of awkwardness.

The shoulders that stiffened unconsciously and the tension that became more apparent the more he tried to hide it.

That alone was enough.

'It's a man.'

A truth discovered all too easily.

However, Rui smiled with an unbothered face. There was no reason to reveal it now.

It was quite interesting to watch him desperately continue his act, unaware that he had been caught.

After watching in silence for a while, Rui spoke softly.

"Fufu... I'll be in your care starting today."