Rui Hang thought, this is really screwed.
Just ten minutes ago, he was sitting on the throne of the Demon Clan, presiding over the 103rd Demon Clan Congress, discussing the next Five-Year Plan with the elders.
But in the blink of an eye, the scene before him changed drastically—he had inexplicably and abruptly crossed over.
To be precise, he had crossed back to his original world.
The small, square room was less than a tenth the size of his old space and didn’t even have a bathroom, yet six long tables were neatly arranged inside.
He sat behind one of the tables, which was piled high with exam papers and documents. In the center was a nineteen-inch monitor, and on either side hung a couplet.
“Raise Salary, Get Promoted”
“Scumbags Die”
The only touch of green was a small pot of cactus—the gift from his First Love in his first year as a teacher.
“Our love is like this cactus; even without careful tending, it endures.”
Now the cactus was withered and on the brink of death, just like his lost love.
—In the second year, that First Love who had sworn never to cheat on him tried to both date him and marry another woman, and after Rui Hang mercilessly beat him up, he lived forever in memories from 520 years ago.
That’s right, it had been 520 years since Rui Hang’s first crossing.
No wonder the Demon Clan’s memory was so sharp—things from five centuries ago still felt like they happened yesterday.
Rui Hang pondered, finally belatedly realizing something extremely important.
The time marked in the bottom right corner of the computer was 12:20 on September 15, 2023— only an hour had passed since his initial crossing.
The ancients said life is but a fleeting dream, like Zhuangzi’s butterfly dance. Today, he had experienced that firsthand. A life spanning 500 years was now condensed into just sixty minutes.
A wistful feeling arose in his chest, adding a trace of melancholy to his brow.
But it wasn’t because of the passage of time— or the month-long effort he’d spent preparing that Five-Year Plan for the Demon Clan.
If he was going to cross back, at least he should have been allowed to finish the meeting!
Thinking of how all his painstakingly built records from over 500 years were just gone in an instant, Rui Hang remained expressionless but cursed inwardly.
A crisp “creak” echoed as high heels clicked against the floor, snapping him back to reality.
He glanced sideways to see the neighboring class’s pretty math teacher entering, dressed in a professional skirt suit. Catching his gaze, she gave him a sweet smile: “Teacher Rui, awake now?”
Rui Hang nodded vaguely.
“Lunch break’s almost over. Your class has the first lesson this afternoon, right?”
Though he hadn’t served as a homeroom teacher for 520 years, hearing the female teacher’s words made Rui Hang reflexively stand: “I’ll go wake them up.”
“Teacher Rui, you’re so dedicated.” The woman’s smile brightened, as if she’d never met a more devoted teacher in her life, completely unrestrained in her warmth—though honestly, waking students up hardly qualified as “dedicated.”
Rui Hang had a good face.
Everyone who saw him, male or female, couldn’t deny that.
On his very first day as a teacher at Y City Second Senior High School, his looks had caused a huge stir.
Within just a year, he became the most popular teacher at the school, bar none.
But precisely because of this, both the school and parents doubted his teaching ability, closely monitoring his class for a full year until their outstanding final exam results finally put them at ease.
It was said that just the number of students secretly crushing on him could stretch from the cafeteria all the way to the school gate.
—Too bad he was gay.
Rui Hang added the thought silently as the bell rang and he stepped into Class 9, Grade 11.
……
Y City Second Senior High School, Class 9, Grade 11.
The pleasant bell had rung for some time, and the quiet campus was gradually coming alive.
But deep in the third-floor corridor, the classroom remained completely silent.
Twenty-four students lay face down on their desks, sleeping soundly as if their souls had left their bodies.
Rui Hang stood inside for a moment, still dazed.
He suppressed his mixed feelings, tapped the podium, and said loudly, “Time to wake up.”
“…”
Accompanied by unconscious murmurs, the “honored” students finally opened their eyes.
“Alice, where’s my cloak?”
“Sebastian, I told you not to disturb my nap today!”
“How dare anyone interrupt this Princess’s nap!”
……
Their childish remarks kept coming, as if the whole class was possessed.
Rui Hang: “…”
How to put it, he really wanted to pull out his phone and record this.
“At first, I just thought it was funny and casually posted a clip online, didn’t expect it would blow up.”
Imagining the video going viral on ShakeJoy or PaLaPaLa, Rui Hang couldn’t help but smirk.
After all, they were the very students who had accompanied him through their journey to the fantasy world of Parnaki, living together through 500 years.
Until the sound of a chair scraping against the floor broke his good mood.
He looked toward the window corner where a pale, skinny boy sat—Rong Yu—and cursed under his breath, “Not good.”
“Rong Yu! This is not Parnaki!”
But he was already too late.
Rong Yu’s beautiful eyes were filled with helplessness and withdrawal, like someone allergic to sunlight, standing anxiously in the light.
Seeing no place to hide, he suddenly opened the window and, like a nimble and flexible black cat, slipped out.
The height of the third floor might be nothing to a superhuman in Parnaki, but here on Earth, with no magic or fantasy, it was enough to take a high schooler’s life.
Luckily, just as half of Rong Yu’s body was about to hang out the window, someone beat Rui Hang to it and grabbed his hand.
“Calm down, don’t be afraid.”
The voice was mature beyond his seventeen or eighteen years, like a battle-hardened veteran.
The muscles of his bare forearm, exposed outside his uniform, flexed as he firmly pulled Rong Yu back inside.
Once steady, he casually picked up a jacket from the chair and draped it over Rong Yu’s shoulders, shading him from the light.
Rong Yu blinked, the familiar scent making him feel safe, and stopped resisting, obediently allowing the boy to take charge as he softly called out, “Head.”
The boy—Zhou Xun, the sports captain of Class 9, Grade 11— led his deskmate Rong Yu back to his seat before finally turning to look at the young teacher at the podium.
“Teacher Rui, have we crossed back again?”
Rong Yu’s outburst snapped the once drowsy students to full awareness, their expressions turning solemn one by one.
Though they looked like ordinary students, each had lived in another world for over a century, many holding high ranks.
Empire Princess, Alliance Leader, Holy Son, Grand Magus… if anyone else stood at the podium, none could command such respect from these gifted elites.
Only Rui Hang could make these students obey and behave like before their travels.
This was not just because of his personal charm— in the face of absolute power, charm meant little.
The Demon Clan was one of the strongest races in Parnaki, and Rui Hang had been recognized as the strongest King for tens of thousands of years.
When students suddenly crossed over and gained “golden fingers” and extraordinary identities, some initially got carried away and acted rebelliously, ignoring common values.
Upon hearing this, Rui Hang had gone alone to confront such a student, pinned him down, and gave him a harsh beating.
The terrified king of that nation mistakenly thought the Demon Clan was going to wage war and immediately sent his daughter and gold as a bride price to the Demon Clan to seek peace.
—Of course, Rui Hang didn’t marry the princess, but he took the gold as tuition without guilt.
Since then, no student dared to disrespect Rui Hang.
Clearing his throat, Rui Hang silenced the room.
He stood at the podium, sweeping his gaze over the clear yet steady eyes, bringing back memories of meetings with Demon Clan elders.
“I believe everyone understands the situation now. We have crossed back from Parnaki to Earth. Though I don’t understand why, we must accept it.”
He turned, raised his hand, and wrote a large heading on the blackboard:
《Student Code of Conduct》
His expression serious, voice stern: “Rule number one: Speak Mandarin!”
Class 9, Grade 11: “……”
They hadn’t even noticed, but since waking, they had been communicating in Parnaki’s common language.
Thankfully, after crossing back, they hadn’t abandoned Chinese.
In private, they mostly used Mandarin—not only to remember home but also for security, so no one could eavesdrop.
Rui Hang tapped the podium.
“In Parnaki, because of different universal values, I naturally lowered my moral standards with you. But now we’re on Earth. If any of you continue with the Parnaki attitude, the first ones to arrive will be handcuffs from the police and summons from the Court.”
Class 9, Grade 11: “……”
Like you ever lowered your standards for us!
At first, Rui Hang had taken on the homeroom role purely out of concern for the weak students being bullied in another world, and because of their shared experience as travelers.
But after hundreds of years, with the students now at the pinnacle of the world, Rui Hang’s homeroom attitude led some to speculate that he wasn’t acting out of duty but personal preference.
Maybe some kinky play.
Of course, they wouldn’t dare say such things to his face.
Seeing the obedient faces before him, Rui Hang nodded in satisfaction and wrote the next rule on the board.
“Rule two: Study hard.”
“Class,” Rui Hang’s voice turned grave, “I have some unfortunate news. There’s a year and a half left until the Gaokao, but you haven’t studied Earth knowledge for hundreds of years.”
Class 9, Grade 11: “……”
Ignoring their confused and shocked eyes, Rui Hang opened his book and announced, “Now, class begins—”
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