The thought had barely crossed his mind when Diamondhead's heart stirred.
"System," he said calmly, "open my personal panel."
Host: Ethen
Physique: The ultimate individual among all Earthlings in recorded history
Spirit: Far beyond ordinary humans
Genes: Earthling genes (with resistance to alien DNA), Ancient Human King DNA
Skills: Integrated human combat techniques, firearms mastery, prototype tool encyclopedia
Ability Pool: Original Omnitrix (Max-Level Edition), Couple Watch (Advanced Edition)
Reward Points: 730
The number 730 made Diamondhead's gaze linger.
What lay ahead?
A higher-level Couple Watch?
Or saving up to 1,000 points to completely break through the limits of Earthlings?
Either way—
He didn't mind.
"Hubby, when are we getting together?" Tini's voice rang out again as she ran straight toward him.
Her face even overlapped with the floating system panel.
Diamondhead's expression instantly turned cold.
"It was Four Arms who accepted your proposal. What does that have to do with me, Diamondhead?"
"W-what?!" Tini trembled violently, eyes filled with grievance and disbelief.
"Are you really going to be this heartless?!"
DING! Mission Issued: "Sad Tini"
Mission Content: You clearly accepted Tini's proposal, but then went back on your word and broke her heart.
Complete the wedding immediately and fulfill your marital duties.
Mission Reward: 30 Reward Points
Diamondhead's expression finally cracked.
"Idiot!!!" What kind of insane mission was that?!
Was the system deliberately trying to ruin him—physically and mentally?!
"You cursed at me!!" Tini completely broke down.
She turned and ran, tears pouring down uncontrollably.
"You're too much, Ethen!"
"Even if you defeated Vilgax, you don't get to hurt Tini like this!"
Tetrax Shard shouted angrily.
Brainstorm's voice followed, cold and sharp.
The two immediately chased after Tini.
"…It's a misunderstanding." Diamondhead opened his mouth, but his voice sounded hollow even to himself.
He really didn't mean it.
"Scumbag."
"Heartless bastard."
Whispers spread among the Plumbers.
"I can hear you."
Diamondhead raised his voice, embarrassment and anger mixing together.
The Plumbers immediately shut up.
"Tsk… seriously." He shook his head deeply and placed his hand on the Omnitrix symbol.
"No time to waste here. Let's switch aliens and check what's happening in Washington and New York."
Click.
Green light flashed.
Atomix launched into the sky once more, tearing through the air at supersonic speed.
Washington, D.C.
Inside a grand ceremonial hall—
A massive, ape-like primate respectfully presented the Truth Prize to Dr. Animo.
Only Dr. Animo's head retained its original form.
The rest of his body had transformed into a white-furred gorilla.
"So this is the Truth Prize… I finally got it."
Dr. Animo held the award tightly, his voice filled with melancholy.
After all these years…
The prize no longer meant much.
WHOOSH—WHOOSH!
Two figures—one tall, one short—flew into the venue, soaring above countless mutated beasts.
The monsters howled and reached upward, but couldn't touch them.
"Dr. Animo." Future Gwen steadied herself in midair and spoke calmly.
"I plan to apply for permission allowing you to keep the Truth Prize."
"On one condition. You stop now. Washington hasn't been completely destroyed yet."
"…Is that so?" Dr. Animo slowly set the award down.
Then—
BOOM!!
His massive fist slammed toward Future Gwen.
"If this were years ago, when I first turned evil, maybe that offer would've mattered. But now? I just want to destroy everything."
The Truth Prize had been the last restraint on him.
Now that it was gone—
There were no limits left.
Future Gwen watched calmly.
She rolled up her sleeve and handed it to Gwen.
"Watch carefully."
BUZZ!!
Deep pink energy erupted from her body.
Her short, coiled hair exploded into a waterfall of glowing strands.
The air itself trembled.
"T-This is…?!" Gwen's eyes sparkled.
"Anodite form."
Future Gwen's voice rang out as her radiant figure plunged toward Dr. Animo like a falling star.
New York City
Ben stared at the long-haired figure in the distance.
He'd be lying if he said he wasn't nervous.
Just as he stood and raised his left wrist—
"Ben." Grandpa Max reached out and stopped him.
"To deal with Kevin, this is what you actually need."
"Come on. I'll help." Before Ben could protest, Grandpa Max picked up several tools and began adjusting the Omnitrix.
Click. Click.
Ben's body stiffened.
His eyes filled with instinctive resistance.
He'd already suffered from Omnitrix malfunctions before.
That trauma didn't fade easily.
But—
This was Grandpa Max.
The person he trusted most.
He couldn't say no.
Click.
The Omnitrix screen flashed with brilliant green light.
A new silhouette appeared.
"This is…?" Ben stared, entranced, and pressed the dial.
"I've seen you use this one against Kevin before," Grandpa Max muttered.
"I think it's called—"
"Feedback!!!"
The electric alien burst out of the green light, laughing excitedly.
BANG!!
Feedback kicked open the car door and charged forward.
"AWESOME!! This is EXACTLY what I wanted!!"
Plumbers Headquarters
Ethen sat casually in the main office, legs crossed, eating a cup of Shin Ramyun.
"Yeah… I'm still used to food from decades ago."
"Hmm."
"The others should be back soon."
When he'd briefly arrived at both battlefields as Atomix, he'd already drawn his conclusions.
Ben would win.
Gwen would win.
No need for him to interfere.
This—
Was just deep cleaning.
And the real crisis…
Was only beginning.
...
Author's Note:
The fanfic Ben 10: Daily Check-In System Activated! Part 1 is now fully completed.
The entire story has been uploaded on Patreon as a dedicated collection:
📚 Ben 10 (Chapters 1–132)
Organized into 14 posts, with multiple chapters per post for easy binge reading.
🔥 I also have additional **18+ fanfics** available for readers who enjoy exclusive mature stories. 😉
1. Dragon Ball: Oolong's Sex Adventure
2. Elements of Lust – ATLA & Korra Mixed Smut
3. Doraemon: Filtering with Nobi Tamako
4. The Naive Me Who Became Someone's Everyday Secret
5. High School DxD: Rias Gremory, the Phenex Bride
6. Versatile Mage: Awakening the Succubus System
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