"Let's get moving too," Mori said, bringing over a mop.

Xiaoyou didn't respond, leisurely squatting on the ground. She started assembling various components from a tool card. Mori didn't urge her, he turned and pushed the door open to join the big cleanup.

Outside, in the cage, a damp and cold air rushed at them. Before the Dark Night Walker was established, this cage had been used to interrogate all sorts of people, from Chichu Heaven's officials to Cleaners caught in the vortex of commissions. The scent of blood had long seeped into the walls, and the screams of countless people were etched into the ceiling.

As part of the Dawn Society's Assassin sequence, Black Spade handled countless unspeakable tasks, with the two Fifth Tier Cleaners from the Mint Green Leaf being the best among them, known externally as Assassin Shuangsha.

"These bloodstains are almost one with the wall, they just won't come off!" Night Owl grabbed a cloth and furiously scrubbed at the reddish-brown stains inside the prison.

"Come give me a hand, I'm running out of strength."

Owl grabbed the long mop and pushed it onto the ceiling, while Sparrow raised a high-pressure water gun to spray the surrounding walls. Everyone took on their tasks, cleaning up the aftermath of their two-month endeavor, sweeping up fingernail clippings stuck with blood threads into dustpans. As for the leftover excrement and biological debris, just flushing it with water, letting it flow into the drain on the sloped floor, would do.

Noticing what everyone was doing, a glimmer of hope lit in Chichu Tianyi's eyes. He rushed to the iron bars, the shackles on his legs clanging crisply upon impact. His eyes were bloodshot, matted hair full of dirt, as he pounded on the bars, desperately trying to gain attention from the outside.

"Help me! I'm here; these damned lunatics kidnapped me, I'm here!"

This disheveled, emaciated man, without a closer look, could easily be mistaken for a wild man from the woods. No one would connect him to the once-glorious heir of the power company.

"Save your energy, fool, even if a tank fired below, nothing up here would stir," Night Owl said coldly.

Chichu Tianyi acted as if he hadn't heard and continued to scream on his own. He was desperate to leave here; these lunatics had never treated him like a human. He lived worse than slaughterhouse livestock. The physical torture was secondary; what was deadly was the masked psychopaths who came every night, dousing him with cold water, prohibiting sleep, and trying to extract names in his hazy mental state.

He knew well that if he casually incriminated so many people, his outcome would be worse than being in this cell.

The dual torture of spirit and body brought him to the brink of collapse countless times. He was nearing madness, swearing he'd make those brats pay once he got out. And his damn father — he'd been locked up for so many days without a single hint of involvement from outside. They simply didn't care about him. Once out, he'd kill that old pervert, make him taste the same suffering!

He was nearly driven mad, craving women, knowing it was because of them he ended up in this state. Once free, he'd vent all these days' pent-up rage on those women out there!

Chichu Tianyi's thoughts were venomous and twisted until a pair of Martin boots paused before his cell door. The man forced out a smile uglier than crying: "Young Master, please, I really know my mistakes, let me out..."

"Why turn against kin?"

He truly feared this madwoman; who would imagine that the prim and proper young lady was a downright little devil in private. The others interrogated him to extract information, but she purely did it for amusement, relishing the thrill of torturing others.

"Who's your kin? I told you not to call me Young Master. How familiar are we, you scum?"

Mori picked up a high-pressure water gun and casually sprayed at Chichu Tianyi, washing everything in the cell through the iron bars.

The mottled stains on the walls, under the water flow, became indistinguishable between blood or accumulated grime and urine. As they painstakingly cleaned, a layer of gloom shrouded their hearts. All was calm for the last two months, but now, with Xiaoyou joining them, the underground secret hideout was found by the Mountain Crow's people.

Saying all of this is merely coincidence without any connection is too far-fetched.

Just then, a figure raised a device and walked out, interrupting their thoughts. Xu Xiaoyou, in a hazmat suit and wearing a gas mask, pulled the rubber gloves tightly over his hands and calmly placed a lamp on the ground, pressing the switch.

The purple light from the lamp revealed every bloodstain in the cell: floor, walls, and ceiling were clearly visible, and it was only then they realized, in all their cleaning efforts, they hadn't even cleaned a tenth of the bloodstains from the entire underground cell.

"You..."

"Leave this to me," Xu Xiaoyou said.

Xiaoyou said nothing, taking the high-pressure water gun from the girl's hands, placed a humming oval device on the ground, and pulled the rubber gloves onto his other hand.

"What's this?"

"An ozone machine, to break down some bacteria and microorganisms. The UV light can reveal the bloodstains. Cleaning the way you were, even after a whole day, wouldn't rid it of the smell, and a spray of luminol reagent on it would bring everything out in the open."

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