That Day When Suzuki-kun Wasn't the Mob-B! Chapter 290: The Magical Girl's Lewd Awakening

[The Self-Made has been activated.]

[The user has adapted to the cold temperature.]

[The user has adapted to being frozen.]

[The user is completely immune to the current coldness of the ice.]

As the system-like notifications chimed quietly in the back of his mind, Finn looked out from inside his frozen prison, staring at Serafall helplessly. He genuinely hadn't expected a reigning Maou to throw a massive sneak attack in the middle of a conversation.

Well, I could have easily dodged it, though, he thought, his body completely relaxing inside the glacier.

Finn had noticed the exact microsecond Serafall's demonic energy spiked, but he chose to take the hit. He felt genuinely moved by how far his own power had evolved. When he first arrived in this world, would he have ever dared to face Serafall Leviathan—one of the Four Great Satans—head-on like this?

No way. Back then, the Satans, Ultimate-Class Devils, and even anomalies like Issei, Vali, or Sairaorg were existences he could only look up to. They were untouchable peaks, even though Finn technically possessed a superior noble background and raw talent compared to the clueless original protagonist.

Finn knew it might sound arrogant, but he was one of the few surviving heirs to the Great Pillars of the Underworld. Unlike Issei, Finn understood the cruel, fundamental nature of this universe: talent, background, and unimaginable wealth were simply not enough to make someone the strongest.

Then how did one reach the apex?

If Finn had to summarize it, it was all pre-determined. In the supernatural world, everything was practically decided the moment you were born. If a devil was born with low Demonic Energy, they would remain weak forever. If they were born with massive reserves, they would be strong forever. It was brutally simple.

Unless, of course, one relied on external cheats—like being granted a godly Longinus to escape the mundane fate of becoming an overworked Japanese salaryman doomed to an early grave.

Finn knew the world was incredibly cruel to the weak. Only a select few could stand at the top, dictating the rules. He admitted to himself that he hadn't yet reached the absolute "beyond"—that mythical realm where he could do whatever he pleased without a single consequence, where his mere words rewrote reality.

Yet, standing here right now, perfectly unharmed inside a glacier summoned by the strongest female Devil in existence? He was definitely getting close.

"Amazing!" Serafall cheered happily, her sweet, melodic voice somehow piercing through the thick walls of ice. "You are so strong, Finn-chan!"

Crack.

Finn shattered the remaining ice around him with a casual flex of his aura, stepping out into the freezing wasteland.

"Enough playing around," Finn sighed, his voice echoing across the artificial dimension. "If that's all you've got, I'm going to yank you out of the sky and spank your butt, Serafall."

"....."

Silence instantly blanketed the observation deck.

His words were unimaginably rude, bordering on blasphemous toward a Satan, but Finn couldn't help himself. He was incredibly annoyed by these useless, high-stakes fights that offered absolutely zero benefits.

As the victor, he should have the absolute right to plunder the loser of everything. But this world's politics were too messy. If he beat a high-ranking noble, their overpowered backer would inevitably swoop in, apologize, and whisk them away before Finn could claim his spoils. His ultimate goal was simple: grow strong enough to ruthlessly bully the masters. He wanted to reach a point where no one could save his enemies from his mercy.

He might not be there yet, but he was definitely strong enough to spank Serafall Leviathan.

"Hahaha~!"

Instead of being insulted, Serafall threw her head back and laughed. The sheer volume of her Demonic Energy suddenly skyrocketed, warping the very air around her. The temperature plummeted even further, reaching catastrophic, world-ending levels. She was preparing her ultimate technique.

"Okay, then!" she shouted, her golden eyes swirling with an intense, intoxicating mix of battle lust and raw desire. "Let's see if you can actually spank my butt and cum deep inside me!"

"....."

Finn deadpanned. He absolutely hadn't said that second part. He wasn't a pervert who defeated women solely to drag them into his bed. But Serafall clearly wasn't listening. She raised her staff, pouring her entire soul into her magic.

"Celsius Cross Trigger."

As those forbidden words left her glossy lips, the absolute chill of death swept through the space. Even from behind the thick magical barriers on the observation deck, Akeno, Sona, and the others shuddered. The biting, merciless cold penetrated straight to their cores.

Everyone often dismissed Serafall as a bubbly, eccentric otaku. But right now, the terrifying, inescapable frost devouring the valley was a stark reminder of exactly why she held the title of Leviathan.

Yet, against the ultimate freezing despair, Finn's body reacted.

It wasn't magic. It was a pure, primal biological response: shivering.

His muscles twitched and vibrated at a speed that completely defied physics. The ultra-rapid friction generated a colossal, unimaginable amount of heat. Within a fraction of a second, Finn's entire body ignited into a blazing inferno. He looked like a meteor falling from the heavens, burning brilliantly red and black against the white wasteland.

The artificial space violently trembled and fractured, the dimensional walls groaning in agony as they tried to contain the sheer, explosive aura Finn was generating.

Finn pulled his right fist back like a professional pitcher winding up for the ultimate throw, targeting the epicenter of her absolute zero.

"Balam Impact."

BOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOMMMM!!

An apocalyptic shockwave ripped through the dimension. Thick, violent streams of black and crimson energy collided head-on with the expanding wave of absolute ice. It was a literal clash of concepts: the ice that sought to freeze every atom in existence versus the blistering, kinetic heat that forced atoms to violently vibrate and melt.

Two unstoppable forces met, but the victor was decided in a single heartbeat.

SLAP!

While Serafall was completely focused on channeling her magic to counter the devastating explosion of heat, Finn simply vanished. Using his absolute invisibility and godlike speed, he bypassed the blast zone entirely and appeared directly behind her.

Before she could even turn her head, his large, warm hand came down hard.

The sharp, resounding smack echoed perfectly through the dissipating steam. Finn's hand connected perfectly with her bouncy, perfectly round buttocks. The sheer force of the spank sent a heavy, visible jiggle rippling through her thick thighs and hips, the soft flesh yielding deliciously against his palm.

"I won," Finn whispered directly into her ear, sending a hot wave of breath against her freezing skin.

He stood tall behind her, looking down at the Maou. "Or... do you want to keep fighting, Serafall?"

In the end, this was merely a spar. Even if Serafall's ultimate technique could theoretically erase a civilization, it was fundamentally useless if it couldn't hit him.

"Ah... um... n-no, it's... it's okay..."

Finn raised an eyebrow. Serafall's response was incredibly strange. Her voice trembled, completely devoid of her usual loud energy. He assumed she was just deeply in shock. After all, how could a reigning Maou process losing so swiftly and humiliatingly to a member of the younger generation?

"I'm going to go take a hot bath," Finn sighed, rolling his shoulder as he released his combat aura. "It's way too damn cold in here."

Without another word, Finn turned his back on the stunned Maou and vanished from the battlefield, eager to scrub the frost off his skin.

"Finn-sama!" Ravel and the other girls immediately rushed from the observation deck to follow him upstairs.

Meanwhile, Sona and her peerage frantically bypassed the dissipating frost to check on the defeated Satan.

"Onee-sama! Are you okay...?!" Sona shouted, her voice laced with panic as she ran across the ruined, steaming landscape.

Serafall didn't answer.

She stood completely frozen in place, her magic entirely dispelled. Her petite body was trembling violently, but it wasn't from the cold. Her face was flushed a brilliant, feverish red, and a heavy, ragged pant escaped her parted lips. The crisp scent of frost was rapidly being replaced by the thick, sweet aroma of feminine arousal.

Serafall's hands gripped the fabric of her skirt, her thighs squeezing tightly together. She didn't even look at her sister. Instead, her misty, golden eyes remained absolutely glued to the exact spot where Finn had disappeared.

It was the look of a starving, lust-crazed succubus that had finally found her absolute perfect prey.