Type-Moon, is this really not the Reverse Side of the World?

"This should be fine, right?"

Walking down the corridor of the Tohsaka residence, led by Aoi Tohsaka's hand, Lin Jiuan's brow was furrowed tightly. The image of Gilgamesh's gleeful smile, the kind that reveled in chaos, kept flashing in his mind after she saw him give a part of his body to Irisviel. This was the first time he had given this "thing" to someone else. He knew it could grant a Servant greater power—a process commonly known as 'Alteration'—and incarnate them, but he was unclear about the other side effects. Still, it shouldn't be too outland...

[Ding! Congratulations, Host. You have successfully caused 'Artoria' to enter the 'Complete Fallen' state. Reward Acquired: 'Heart of Níðhöggr'.]

Lin Jiuan: "???"

Seeing him suddenly stop, Aoi also paused, looking at him with concern. "What's wrong, Jiuan?"

"Nothing." Lin Jiuan forced a smile, suddenly understanding the meaning behind Gilgamesh's grin. Actually, this isn't a bad thing, he comforted himself internally. Thinking on the bright side, Artoria falling is good for me. The good part is... the reward is pretty nice?

Níðhöggr, the black dragon from Norse mythology that gnaws at the roots of the World Tree. Legend says that once it severs the roots, it signals the coming of Ragnarök. It's just this description... "The Black King, a black dragon symbolizing despair, the ancestor of all dragons?" Was it really that high-level in the myths? Lin Jiuan was slightly taken aback by the reward's description.

But regardless, in terms of both rank and power, this dragon was among the absolute top tier of all dragons in Western mythology. The 'Heart of Níðhöggr', while not instantly granting him the dragon's full power, would progressively transform his body, continuously enhancing his physical attributes, magical energy capacity, and more, until, over time, he possessed the full power of Níðhöggr.

"We're here."

Lin Jiuan snapped back to reality. He found that Aoi had led him to the door of a bedroom. He had long since learned of the intense desires of this woman, who had been repressed for who knows how many years. As the innately evil Sixth Beast, he was no saint himself. Having been abstinent for several days, he was admittedly a bit hungry, so he followed her into the bedroom.

But as soon as he entered, he realized something was wrong. There was someone lying on the bed.

He looked closely. Though the man's eyes were bloodshot and his features were twisted with extreme hatred and rage, making him look somewhat unfamiliar, Lin Jiuan still recognized him. Well, well. Isn't this Tokiomi? It's only been a few days, how did you get so pathetic?

"What happened to him?" Lin Jiuan asked curiously.

"I poisoned him. He can't move anything except his head now," Aoi said with a gentle smile. "So, Jiuan, you never have to worry about him hurting you again."

Lin Jiuan couldn't help but click his tongue. This woman is ruthless. He didn't consider himself to have a feud with Tokiomi, just a mutual dislike. Now, seeing this man paralyzed on the bed—and considering he had sent someone to assassinate him—even if he himself wasn't a good person back then, he still felt a bit... gleeful.

"It really was you!" Seeing Lin Jiuan, Tokiomi's eyes filled with hatred. "You innately evil—"

SLAP!

Aoi walked to the bedside and slapped Tokiomi across the face. "Apologize to Jiuan."

"You brainless bitch! Can't you see what this monster has turned you into?!" Tokiomi cursed, his face contorted, completely devoid of his former elegance and composure as the head of the Tohsaka family.

"Head of the Tohsaka family, don't say that. I didn't do anything to her. If anything, she did things to me."

"She... did things to you?" Tokiomi looked at Lin Jiuan, who had now completely dropped his childish facade. A terrible premonition welled up in his heart.

"I'm sorry, Jiuan." Aoi smiled apologetically at him, then slowly knelt on the floor. "Although there is no love left between Tokiomi and me, I am still his wife. Since ancient times, the wife must bear the husband's sins. Since Tokiomi is unwilling to apologize to you, then I, as his wife, will have to apologize on his behalf. I hope you can forgive the wrongdoings he has committed against you. For this, you may do 'anything' to me."

Hearing the deliberate emphasis on 'anything', and seeing Aoi look up at him with a seductive gaze, Lin Jiuan's breathing quickened. Are we really playing for such high stakes the moment I get back?

"Aoi Tohsaka, you bitch, what are you trying to do?!" Tokiomi roared, his eyes bloodshot. Though he was paralyzed on the bed and couldn't see what was happening, he wasn't one of those idiot cuckolds from a Japanese manga. He could tell from their conversation that something was very wrong. While Lin Jiuan looked incapable of that, in the world of magecraft, anything was possible. Though he only saw Aoi as a tool for procreation, she was still his wife. Tokiomi could absolutely not accept such a thing happening!

"Jiuan," Aoi said, looking up at him timidly when he didn't respond. "I know Tokiomi has wronged you, but please, for my sake as his wife, punish me instead."

Looking at the alluring Aoi, Lin Jiuan closed his eyes in pain. It's not that I'm not a good brother, it's just that sister-in-law is too damn tempting.

Tokiomi, I have let you down!

"Mrs. Tohsaka, you're still wearing so many clothes for an apology. I don't think you're being very sincere, are you?"

Hearing the rustling sound of clothes being removed, the footsteps of the two heading to the next room, the sound of crawling, and finally the closing of a door, Tokiomi's eyes turned blood-red.

"LIN! JIU! AN!!!"

Tokiomi was dead. He was literally angered to death by the shameless pair of Lin Jiuan and Aoi Tohsaka.

When Lin Jiuan, after two rounds of "punishing" Aoi, came out of the adjacent study with her, they found Tokiomi lying on the bed, eyes wide open, no longer breathing.

"What a shame," Lin Jiuan sighed. How could he just die like that? I was planning on taking care of him in his old age.

"Indeed, a shame," Aoi said with deep empathy, looking at him pitifully. "Jiuan, you won't despise me now, will you?"

"A little. But it depends on your performance."

"I will definitely perform well!" Aoi prostrated herself on the floor, looking up at him ingratiatingly. "So, Jiuan, shall we continue in the bathroom?"

"Let's go then."

Just as Lin Jiuan was about to turn toward the bathroom, he felt a bump against his calf. He looked back and saw Aoi gently biting his leg with her pearly teeth. She then looked up at him. Lin Jiuan paused, taking a few seconds to understand her meaning. His throat moved with a difficult swallow. Finally, meeting her expectant gaze, he sat on top of her.

As the "Aoi-mobile" headed for the bathroom, Lin Jiuan glanced back at the wide-eyed corpse of Tokiomi on the bed and sighed, his guilt reaching its peak.

Tokiomi, though I've wronged you, please rest in peace. Your wife and daughters, I will raise them for you.

....

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