Yusei and Tohru descended to the empty area below, devoid of people for miles around, to prepare for their arm wrestling match.
High in the sky, on Kanna's back.
Shiro and Kaguya stood on Kanna's soft feathers, watching the human and dragon preparing below.
Kaguya looked at Tohru's massive, draconic form, a trace of worry flashing in her eyes.
"Are you sure it's alright? To... to arm wrestle with such a large dragon lady?"
"Nii is very confident. Although Shiro doesn't know where his confidence comes from, Shiro believes in Nii." Shiro's small face was full of determination.
Kaguya nodded. She would definitely believe in Yusei too. After all, that guy was her fiancé.
The two fell silent, carried by Kanna flying in the air, observing from above.
As for Kaguya, they had met her just as the Kazami Family was preparing to leave.
Sometimes things are just that coincidental. If Kaguya had arrived just a bit later, she would have missed the Kazami Family heading out.
Kaguya had come to deliver the Yata no Kagami that the Imperial Family lost to Yusei.
Too embarrassed to approach Yusei directly, the Imperial Family had given the mirror to the Shinomiya Family.
Originally, they could have just sent a servant to deliver it.
But Kaguya came personally.
Whether she came primarily to deliver the item or to see Yusei was a question that went without saying.
So, upon learning Yusei was going out, she naturally followed without a second thought.
On the Mongolian steppe, a human stood facing a dragon the size of a small hill.
Tohru looked curiously at the tiny figure before her.
"Are you sure this is okay? Should I use my human form? Like this, we can't even grip hands properly, can we? You're too small."
"Too small? That's quite annoying to hear. Alright, I'll show you what 'big' really means. And remember, one hundred percent power." Yusei smiled.
Immediately after, his eyes suddenly changed. Crimson, eerie, complex, intricate snowflake patterns appeared in his pupils, spinning wildly.
A massive blue energy armor warrior began to materialize, quickly growing even larger than Tohru.
Tohru looked up at the Susanoo, which is now much larger than herself, her dragon pupils filled with excitement.
"I didn't know you had this move! Come on, then!"
"Wait, I'm not fully charged yet."
As his words fell, a bolt of lightning suddenly struck down from the previously clear sky.
The blue-white lightning hit the Susanoo, causing arcs of blue lightning to coil around it.
A continuous stream of massive lightning bolts poured into Yusei's Susanoo. The form of the Susanoo began to change slightly. Originally resembling a Tengu mask, its face now seemed to be unveiled, revealing a face formed from blue-white lightning beneath.
This was the Susanoo's strongest form, absorbing the lightning from the sky, achievable after drawing upon pure natural energy last time. It was Yusei's current full power.
Standing inside the rhombus crystal, feeling the immense power, a slight curve formed at the corner of Yusei's mouth.
"Not enough yet."
Yusei focused hard on his Sword Intent. From his body inside the crystal, the incredibly intense Sword Intent began to spread through the crystal and over the entire Susanoo.
Just like when Yusei himself entered his sword intent state, now the Susanoo was utilizing the sword intent form.
The already immensely powerful Susanoo was elevated once more. Its power, speed, sharpness... all leaped forward.
Tohru watched the scene where even the sky seemed to resonate and cry out in response. Far from being afraid, she grew even more excited.
"You really are strong... Come on."
Yusei nodded. The giant Susanoo lay down, extending a massive arm. The contained lightning was hidden within.
Seeing this, Tohru also lay on the ground, extending her dragon claw to grip the Susanoo's large hand.
Simultaneously, an aura of destruction and immense power spread from her body. A red, ominous magical energy erupted around her, forming a sharp contrast with the blue-white Susanoo.
Above, Kaguya watched the human and dragon below who seemed about to destroy the world, and couldn't help but swallow hard.
'This... wasn't this just a simple arm wrestling match? How did it turn into this?'
But more than shock, Kaguya was more worried about whether Yusei would get hurt.
She was a martial artist herself. She could sense what was terrifying and what wasn't.
Especially the aura from below made her feel that if she were down there, she would be suppressed, unable to move both physically and mentally.
Kanna wasn't affected by the aura below, but she also felt that Yusei and Tohru were immensely powerful.
She flew down a bit and shouted loudly.
"Yusei, Tohru-sama, are you both ready?"
"Okay!"
"Ready!"
Yusei and Tohru both called out.
Hearing this, Kanna flew back up a bit.
Then she announced clearly.
"On your marks... Go!"
The moment Kanna's voice fell,
Kaguya, lying on Kanna's back and gripping the feathers tightly, heard a tremendous sound of destruction from below. A violent storm spread outwards from the human and dragon at the center.
Lightning crisscrossed, tornadoes sprang up, and natural disasters were born from their clash.
Kanna was also buffeted by the wind, struggling to keep her eyes open. She quickly activated a magical barrier, instantly enveloping Kaguya and Shiro inside, which made things slightly better.
Freed from the fierce wind, Kaguya opened her eyes and looked down. Immediately, her pupils constricted sharply.
She saw Yusei and Tohru still lying on the ground. Powerful energy waves continuously radiated outwards from where their arms were locked.
The earth where their elbows rested had already collapsed into a massive crater a hundred meters in diameter, and it was continuously spreading outwards.
Kanna was also very surprised. She hadn't expected Tohru to fail to win instantly, ending up in a stalemate with Yusei.
Although she also believed in Yusei, Tohru was, after all, a genius among dragons, having lived for fifty thousand years. Her dragon body and magical energy reserves were refined to the absolute extreme.
Shiro watched the scene of her Nii and Tohru arm wrestling below. Her small face showed no fear, but instead was filled with excitement and pride.
She felt a little proud inside, 'This was my Nii, an omnipotent Nii.'
Yusei felt the immense force transmitted through his arm. Gritting his teeth, he forced a smile.
"I didn't expect you to be this strong."