Note: This extra chapter is on a different timeline from the main story. Don’t mix them up.

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Year 1363 of the Genesis Era, December 25th.

On the continent of Karislan, people didn’t have the custom of celebrating Christmas. Most of them didn’t even know such a holiday existed.

But in Alfheim, the capital city of Yggdrasil, the streets were lit up and decorated everywhere. People hung bells all over pine trees, making “Christmas trees” that only appeared on this day.

It was, however, just a clumsy imitation of a real Christmas tree…

Because only today, the World Tree in the center of Alfheim would change its appearance, transforming into a gigantic Christmas World Tree. If you made a wish under it, there was a chance that wish would actually come true.

And the one who brought Christmas to Yggdrasil was, of course, Xia Yan, who had reincarnated here from another world.

Mainly because he felt there were way too few holidays on the Arislan continent.

The yokai race only had Spring Festival and New Year’s Eve, nothing else.

Even the humans only had two or three pitiful little holidays.

So on December 25th, Xia Yan pushed Christmas as an official festival in Yggdrasil.

Even though no one really understood what Christmas was supposed to be, they still did everything exactly as Xia Yan instructed, managing to celebrate it in a pretty decent way.

…

…

Meanwhile, back at Xia Yan’s place, Viney asked curiously,

“Husband, what kind of holiday is this Christmas you’re talking about?”

“Uh… it’s a holiday from the world I used to live in. How should I put it… things get really lively that day. And Christmas is basically the Western version of Spring Festival. It’s a really important holiday for foreigners.”

“I don’t really get it. Then why did you make us dress like this? It feels so weird… and this skirt is so short…”

Right now Viney was wearing a red Christmas outfit, but who knew who had designed this thing. Not only was the skirt extra short, even the collar was an open design.

With Viney’s figure, it was honestly hard for her to hold that outfit up.

But some people could pull it off perfectly—like Nia.

“Mm… Lord Xia Yan, I feel like the neckline on this outfit is a bit too small…”

When Xia Yan saw Nia walk out in a red Christmas costume, he almost had a nosebleed on the spot.

That proud, snow‑white chest of hers, and that full, exposed cleavage, could conquer any man!

And when Black noticed Xia Yan staring fixedly at Nia’s chest, her eyes instantly turned resentful. She suddenly popped up in front of him and blocked his view.

…

“Master, where exactly are your eyes looking?”

“Uh… I wasn’t looking at anything, nothing at all…”

Xia Yan quickly shifted his gaze elsewhere, answering with a guilty tone.

But the sharp‑eyed Black had already seen through everything.

“Liar. Master, you were just staring at little Nia’s chest the whole time! And you still won’t admit it!”

Hearing that, Nia’s face showed a surprised expression.

“Eh… Lord Xia Yan, were you really just staring at my chest?”

…

“Alright, I admit it… I did sneak a couple extra looks.”

With no way out, Xia Yan raised both his hands and admitted his crime.

But Nia didn’t mind at all. Instead, she walked right up to him, grabbed his hand, and pressed it onto her chest.

“It’s fine. Lord Xia Yan can look as much as you want! After all, I belong entirely to you.”

“Nia…”

Feeling the soft sensation in his palm, Xia Yan couldn’t help blushing.

But just then, a pair of slender hands suddenly grabbed Nia’s soft breasts from the side and started kneading them.

“Little Nia, you eat so little every day, yet all your nutrition ended up here! Be honest, did you secretly have Master help you rub them?”

Nia quickly jerked away, her pretty face turning bright red as she put some distance between her and Black, stammering,

“N‑no, I didn’t! Black, don’t talk nonsense!”

Right as Black was about to keep going, a hand suddenly came from behind and covered her mouth.

“Alright, Black, don’t bully Nia anymore. Besides, the one I’ve rubbed the most is you, isn’t it? So how come your chest hasn’t grown even a little?”

Black pried the hand off her mouth, puffed out her cheeks, and said self‑righteously,

“Hmph, that’s only because Master’s a pervy loli‑con. To satisfy your kink, of course I can’t just grow up however I want!”

“…Listen to you, shifting the blame onto me now. Fine. Tonight I’ll give you some extra rubbing and we’ll see if it grows.”

…

“Okay, you two, enough bickering! Dinner’s almost ready, come eat.”

At that moment, Viney’s voice came from the dining table not far away. Everyone already seemed used to Black and Nia’s constant squabbling.

Over in the kitchen, three people were cooking: Cai Lingyu, Mia, and Joy.

—

“Big Sis Joy, are you really okay wearing that?”

Mia, who was also in a Christmas costume, looked worriedly at the “outfit” on Joy.

“Heh heh! Christmas outfits are so last season. What I’m wearing is the real knock‑out gear! Just wait till I make my entrance—Xia Yan will be so bewitched he won’t know which way is up!”

…

Off to the side, Cai Lingyu glanced at Joy’s “clothes,” then looked down at her own Christmas costume, and couldn’t help feeling defeated.

“If I’d known, I would’ve dressed like that too…” she muttered under her breath.

…

When dinner was ready, Xia Yan went to the kitchen to help carry the dishes. The moment he walked in and saw what Joy was “wearing,” he froze on the spot.

Because what she was wearing could barely be called clothes—it was literally just an apron, okay? And aside from that apron, she didn’t seem to have anything else on underneath at all. She was completely… naked.

Joy blew him a kiss as he stepped into the kitchen. Her eyes were sultry as she stared at him and asked,

“Well, darling? Do you like how I look today?”

Xia Yan’s verdict was:

“As expected of you. You managed something nobody else could pull off.”

“Thanks for the compliment~ So, darling, tonight… could you grant me a tiny little wish?”

Xia Yan instantly understood what Joy meant, but now wasn’t the time to discuss that.

“…We’ll talk about it tonight. Let’s eat first.”

…

Everyone was finally gathered at the dining table.

Just as they were about to dig into their Christmas Eve dinner, someone suddenly noticed that one person was missing.

Black: “Why don’t I see White? Where’d she go?”

Nia: “Now that you mention it, I really haven’t seen White at all since earlier… That’s weird, where did she go?”

Xia Yan pushed his chair back and stood up. “I’ll go check her room. You guys wait here for me.”

With that, he left the table and headed to White’s room.

But he didn’t find her there either.

Suddenly, a thought flashed through his mind.

Could that girl have gone to his room?

With that in mind, Xia Yan went to his own room. Sure enough, the door wasn’t locked. And inside, there was a red Christmas present box placed in the room.

“That’s odd. Who put this here?”

Curious, Xia Yan opened the Christmas box. The thing inside left him so shocked he was speechless.

Because White was lying quietly in the box, her body wrapped in red ribbons. She’d turned herself into a gift and offered herself to Xia Yan.

After he opened the box, White slowly opened her eyes. Aside from the red ribbons, she wasn’t wearing anything at all.

“Mm… Big Bro, you finally came! This is my Christmas present for you~ So, do you like it?”

Xia Yan didn’t know whether to laugh or cry. He went to grab some clothes, helped her untie the ribbons, and then helped her get dressed.

In the end, he patted her head gently and told her earnestly,

“Dummy, that’s not how you give gifts. Come on, let’s go eat first.”

“Food? But more than food, I wanna ‘eat’ you, Big Bro~”

“I’ll take care of all of you later. It’s Christmas, after all. Let’s go, my little princess.”

He took White’s hand and led her back to the dining table.

And that night, for every one of them, would no doubt turn into a wonderful, unforgettable night.

ps: There might be a follow‑up.