The Protagonist's Sister Is Actually The Strongest

Song’s purified soul merged with the embodiment of his Records, of his story, which took consciousness and became a real being thanks to Anna’s sponsorship. The memories held within his Record—including the memories he lived in this parallel world and those he experienced after he stepped out of it and trained alongside Anna and his parents—remained and merged with his own memories, expanding his field of view and quickly informing him of everything that had happened so far.

Of how they put so much effort into saving him, how much they had to fight and train, and how much they went through just to get to this point… The boy, who had already lived hundreds of years as a Demon King, was no longer just a boy or a child anymore; his mind rapidly synchronized with his memories, and so did his mental maturity.

As he merged with his own Records, he regained a new, even stronger physical body than before, forged from the essence of the world itself—as that was what the Records were—and from Anna’s own Cosmic Powers through her sponsorship. Song didn’t just regain his original power before becoming a Demon King; he easily surpassed it!

His revival felt more like an ascension; the boy’s cultivation rapidly developed as he skipped through Realms with ease. His body matured much more than before, no longer looking like the innocent child his parents remembered, but still appearing fairly young.

He grew at least twice as tall, with a much slimmer figure instead of his chubby appearance as a toddler; black and white feathers intermixed together, spiraling on the middle of his chest and resembling the yin and yang symbol merging.

His face was unique: his left half was white-feathered, while his right half was black-feathered; his eyes were both golden, but he gained a third crimson eye above them. The wing that he lacked due to a deformity from birth regrew anew, and he didn’t just have two wings, but four.

Two white wings and two black wings, beautifully glistening beneath the sunlight, and his beak, which was completely black, shone brightly as the tip was golden-colored. This, accompanied by his long golden eyelashes and the crown of golden feathers above his head resembling a majestic crest, gave him an aura of regality and divinity of tremendous beauty.

Three tails made of golden feathers grew from his back; as he spread out his wings, arms, legs, and hands, a beautiful robe of gold, black, and white materialized around his body, as he was finally reborn.

The entire world of Bestia felt his rebirth the same way the Primordial Beasts had regained most of their power. The empty heavens above began to rumble rapidly; the heaven fragments left behind that returned to the skies quickly started to merge into a gigantic mass of clouds.

The heavens were not only being restored, but they were already beginning to grow larger and expanding at an unprecedented speed!

“I have walked a path of both love and suffering…”

Song started talking, his voice sounding more mature—no longer like a child, but around the age of Anna herself, a teenager in his fifteens or sixteens, despite being already hundreds of years old.

“I have experienced the beauty of being loved by my parents, and I have also suffered and agonized as my soul was corrupted into a monster…”

His wings spread out, gaining golden feathers at their tips, making him look even more majestic than before.

Song’s parents, who were fused, rapidly unfused, unable to maintain their combined form anymore; but even though they felt exhausted, they couldn’t help but fixate their gazes on their reborn son.

Pride and joy mixed with sorrow as they remembered all they had gone through to finally find him and save him.

“I can no longer be the child you remember I was… The innocent child you loved. I’ve grown, mother, father…”

He glanced at his parents while crying, his eyes shining brightly.

“Would you still accept me and love me like before?”

His parents slowly flew towards Song; they were both crying.

They couldn’t resist their tears anymore.

Even the Heavenly Demon was crying like a baby.

“SONG!”

They didn’t respond as Song expected; they jumped onto him and hugged him, very tightly at that.

They were finally reunited.

Did it matter what their son looked like now?

Deep down, they had already assumed he would never be the same as before.

But that young man was still their son.

“M-Mom? Dad?”

“Of course we would accept you, damn brat!”

His father scolded him immediately as he grabbed his head and hugged him tightly, without letting go of his son.

“Don’t you know how much we’ve gone through just to finally see your true self again?”

His mother embraced him with love, as Song felt moved.

“I missed you two… So much…”

He hugged them back as the whole family started crying.

Even Anna was crying in the distance, looking at the scene from atop the sealed Demon King’s body.

Sepa and Bastet were by her side in their Ego forms, looking at her with slightly pitying eyes, hugging her back.

Sepa coiled around her arms and shoulders, and Bastet placed her slender arms around her shoulders, caressing her hair as if she were a big sister figure.

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“Are you happy, Anna?” Sepa asked.

“Yes… I-I am…” Anna couldn’t contain herself anymore, crying a lot too.

She experienced so many things in this world and changed so much as well. She embraced these people and even accepted them as her family.

To see them finally reunited after learning of their tragic story and after fighting so much to get here…

After so much effort, what kind of person wouldn’t cry even a little bit?

“Ah, right…” the Heavenly Empress muttered, realizing that someone was missing. “Anna! Come here! Don’t you want to hug your brother?”

“E-Eh? Me?” Anna wondered. “But…”

“What are you doubting now?! Just come here already!” the Heavenly Demon roared.

“Y-Yes!”

Anna flew towards her family as they hugged her back, and she hugged Song very tightly.

Although he had grown, he was still smaller than her, his head only reaching around her shoulders.

“Song! I’m so happy you’re finally back!” she said. “How do you feel? Is everything alright with your body?”

“Anna… Yes, it’s alright now,” he nodded. “Before, there was some unstable feeling… If I hadn’t merged with it in time, even the body made from Records would’ve dissipated eventually.”

“R-Really?” Anna asked in disbelief. “But Song never told me that…”

“He would rather not make you all worry,” sighed Song. “Well, he now lives within me; he is me, and I am him… So technically, I’m still here. It’s just that… well, I’m now a bit different.”

“You’re just the same as before to me!” Anna giggled, hugging the boy and caressing his head. “Mom, Dad, we have to go celebrate later! We should have a big feast and invite the whole realm!”

“Yeah, I agree!” the Heavenly Empress nodded.

“I wish we could just sit down and enjoy the moment, but reviving Song is only one of the steps we had to take to finally save our world…” the Heavenly Demon said.

“Yeah… I know that very well,” Song nodded. “A powerful being is behind this, and there’s nothing saying they’ll give up just because the Demon King was defeated.”

“GRRRHHH…!”

The Demon King, who was sealed, constantly groaned. However, the almighty seal—formed by two powerful formations merged together—was still active; and now that Song’s soul was out of its body, with only its remaining Demonic Soul born from its corruption that was exorcised, it was definitely weaker than before to an extent.

However…

“We have to take care of that Demon King,” said the Heavenly Empress. “Before something else tries to take over it or something!”

“Now that Song’s soul has been liberated, he must be vanquished!” The Heavenly Demon roared. “Song, would you do us the honor?”

“That’s…” However, Song seemed unsure. “I…”

Despite everything, the monster in front of him was still his original body that had been mutated into a monster.

Technically, even if his soul was saved, that demon was still a part of himself…

He hesitated.

“…”

Anna glanced at Song, noticing that the young man, despite how he had matured, still held a very compassionate heart, even towards a demon.

“Don’t worry, I think I’ve got an idea…” she said. “We don’t have to kill him.”

“Huh? What do you mean?” the Heavenly Empress asked. “Anna?”

“What are you planning now? We don’t have time for your shenanigans, Anna!” the Heavenly Demon said. “We have to—”

RUMBLE!

The skies trembled as Anna furrowed her eyebrows.

Everyone’s Auras were rapidly released from their bodies as they noticed a huge crack in the skies.

That giant tremor was not from the ground beneath but from the heavens above!

Indeed, something had smashed the dimensional walls of the world of Bestia so strongly that a crack in space was created.

With the main Mechanical Tree already defeated with half its body missing, the Demon King released and defeated, the robot army diminishing after the Mechanical Tree became unable to produce more machines, and the three Machine Constellations defeated…

The one behind everything was finally showing themselves—a presence so powerful the Venerables and Song felt an immense pressure, a weight that seemed capable of flattening the whole world with its force.

And from within that crack, a huge, blue-colored eye emerged. It wasn’t made of flesh nor of energy, but completely of metal and artificial light—a gigantic artificial eye as big as a mountain.

[The {Universal Computer} gazes upon your puny existence.]

[You have enraged a Void Ruler.]

The eye glared at Anna in particular, and then it began glowing bright red… Particles of pure cosmic energy started gathering within it and…

RUMBLE!

A gigantic, world-destroying beam was fired; it was so massive it seemed to be coming from the literal Death Star. Anna’s eyes widened as she gritted her teeth.

“Ah, fuck!”

She didn’t even hesitate, unleashing all her power at once as Fang Shuan appeared behind her, letting her inside his body within that split second.

Her Cosmic Powers, the Morphin Core, and her Skills all activated into a single, powerful mechanical titan made completely of gold.

With all her power, she placed her shield, the [Harmonious Yin Yang Dragon Heavenly Shield], in front of her and fused it with Fang Shuan’s body, as she had no alternative but to do so.

As the shield merged with Fang Shuan and grew to a ridiculous size by feeding him metal from her inventory until it became over several hundred meters long, the beam impacted them.

BOOOMMM!!!

The massive beam pushed her down into the oceans alongside everyone else by her side; the cold ocean’s depths embraced them as the shield kept holding against the beam.

Eventually, everyone hit the bottom of the ocean; the gigantic crimson beam continued descending into the seas, the water instantly evaporated, and the ocean’s depths began to rapidly shatter. A gigantic crater was beginning to form beneath them.

“FUCK!”

Anna screamed as if she couldn’t contain the immense attack; this was the overwhelming power of a Void Ruler!

“That thing intends to destroy the planet?! It’s aiming at the core!”

The Heavenly Demon panicked, quickly infusing all his power into the shield and pushing upwards.

“Most likely! It has grown frustrated that we stopped all of its plans, so it just wants to destroy the planet now!”

The Heavenly Empress quickly did the same, as the two began pushing back.

Although they were unable to do so, the beam was so gigantic and powerful they could only slow things down.

“D-Destroy the planet?!”

Song’s eyes shone brightly as they suddenly turned red.

Wrath began to rapidly emerge from his body.

Similar rune-like tattoos appeared across his skin, as Anna and his parents felt an immense power coming from him.

“I won’t let them…! I won’t let them destroy my world after everything they’ve done to us!”

His wrath became an immense power that far surpassed his parents’ and even Anna’s.

“S-Song?!”

Anna was left speechless.

“RAAAAHHHH!!!”

With a furious scream, Song pushed upwards with his two arms; the shield began to rapidly lift into the skies.

Cosmic Energy began surging from Song, mixed with two types of Heavenly Ki of the highest grade—at least several times stronger than his parents’ current strength.

In fact, Song’s true power had already surpassed his parents’ expectations!

When he was born, he had inherited their strength, but it was sealed.

The strength of the Venerables before they were weakened—that was it!

Therefore…

Now that he awakened it and became even stronger beyond that…

Not only did he hold the combined strength that his parents had passed to him, but also their power before they were weakened so much.

But it was combined and further boosted to a completely insane level.

That, merged with Anna’s sponsorship, turned his body into something akin to the body of a Constellation…

FLASH!

Golden and black cosmic flames surged from Song’s body as his entire form began to grow larger and larger, becoming more beastly and muscular.

Space and time started to rapidly distort around him.

“I WILL PROTECT THIS WORLD!”

The Song of Providence unleashed his truest power, as Anna saw countless rivers of energy coming from the planet’s core, reaching Song and boosting his power—and that of everyone else too.

His parents regained their energy and stamina in an instant, feeling refreshed.

And Anna suddenly felt several times stronger, like she could do anything!

“Please… You’re my last hope; protect this world!”

She heard a voice at that moment.

The voice of the planet!

By using Song as a medium and avatar, the World’s Will itself manifested to fight back, infusing itself into the three Venerables and Song.

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