When Zhang Yuxi arrived home, she called out from the foyer.

"I'm back!"

She then heard Little Treasure cheer and immediately start scrambling toward her.

Oh wait, not scrambling—crawling.

The speed was so incredible that Zhang Yuxi gasped. She squatted down and opened her arms, ready to welcome her daughter.

However, her open arms were met with empty air.

Little Treasure simply turned her head and crawled away in another direction.

"Little Treasure, Mommy's back," Zhang Yuxi called out from behind her. "Don't you want to give Mommy a hug?"

There was no response. Lin Feng explained, "She's playing with her toys."

Zhang Yuxi had her own methods. "Little Treasure, want some milky?"

With a little cry of excitement, Little Treasure came crawling back, her hands and feet moving in a rapid patter.

This amused Zhang Yuxi so much that she laughed and picked her up. "Come on, let's go wash your little hands with Mommy, and then you can have your milky."

However, Little Treasure had already started nuzzling against her, which tickled Zhang Yuxi and sent her into a fit of giggles.

"Alright, that's enough playing. Let's wash your hands!"

"Oh dear, look how dirty your little hands are. We need to get them nice and clean, okay? Otherwise, bad germs might get into your tummy and give you a tummy ache."

Zhang Yuxi gently poked Little Treasure's round little belly, making her giggle again.

After they had played for a bit, Zhang Yuxi fed Little Treasure her milk, and the baby drowsily dozed off. Once she had settled Little Treasure in her crib, she planted a gentle kiss on her tiny face.

Lin Feng had already dished up their meal and was looking at something on his phone. Zhang Yuxi walked over to peek and realized he was watching the surveillance footage.

"What's wrong?"

"Little Treasure tried to escape several times while I was cooking today. The last time, I have no idea how she got out, so I'm checking the footage."

Zhang Yuxi's expression immediately turned serious.

Soon, the truth came to light. The scenario was similar to the last time, except Lin Feng had removed one of the cushions she had used. However, one still remained, and he never imagined that Little Treasure would learn how to move it herself.

On the screen, they could see her crawling over, positioning the cushion in just the right spot, and then climbing onto it.

The safety fence was quite high, and Little Treasure could only reach the top by standing on the cushion. She used her chubby little legs to try and climb over it, attempting again and again.

The couple was touched by her perseverance. Despite failing countless times, she never gave up.

Wow, a baby who's barely six months old already understands the importance of persevering until she succeeds!

The remaining cushion was a little shorter than the one he had removed, which was why Little Treasure was having trouble reaching.

But fortune favors the bold, and Little Treasure finally made it.

She flopped herself over the top of the fence, her little legs flailing as she tried to get down. If she were to fall, it wouldn't hurt, as the entire area outside the playpen was covered in thick, soft mats.

Just then, Da Bai, having finished his water, trotted over.

After a few barks, he ran to Little Treasure's side. He then lay down at her feet, becoming her personal stepping stool.

Little Treasure landed on Da Bai's back, rolled off, and started crawling toward Lin Feng.

And Lin Feng had missed the entire spectacle. Now, watching the surveillance footage, the truth was laid bare, and the couple couldn't help but marvel.

Little Treasure was truly an energetic and mischievous little baby.

Lin Feng summed it up. When he was raising the quadruplets, they could all play together, so it wasn't as chaotic. But now, with only one baby in the house and no one to play with, she had to find her own ways to have fun.

"I'll buy some robot vacuums!"

No sooner said than done. Lin Feng contacted a supplier and ordered five robot vacuums. He had always handled the cleaning himself before, but the manor was simply too large for him to manage with his schedule. It hadn't been so bad when the older children were around to help. But now that Little Treasure loved crawling everywhere, the floors had to be spotless to prevent her from putting something dirty in her mouth.

The delivery arrived just two hours after he placed the order. It was a high-end brand with fully intelligent operation, designed to be safe around small children. The technician showed Lin Feng how to use them before leaving. After a quick setup, Lin Feng placed a few on each floor, with three on the first floor alone to ensure the floors remained pristine.

After eating, Zhang Yuxi went to take a nap. With her mother by her side, Little Treasure slept a little longer than usual.

Zhang Yuxi was woken by a strange sensation. When she opened her eyes, she saw Little Treasure sitting beside her, playfully pulling on her hair. No wonder her scalp had been faintly aching.

She scooped Little Treasure into her arms. "Good morning, little one. Did you sleep well?"

Little Treasure cupped her mother's face and planted a slobbery kiss on her cheek.

Zhang Yuxi was both surprised and delighted, quickly returning the kiss.

"Do you love Mommy very much? Huh? Do you love Mommy?" she cooed. "Mommy loves you so, so much. Our Little Treasure is a little angel who came down to our family and chose me to be your mom, right?"

She kissed Little Treasure's belly. It was very ticklish, and the baby instantly giggled whenever she touched it.

"Come on, let Mommy kiss you!"

Little Treasure wriggled and twisted like a little fish, laughing merrily.

Lin Feng came upstairs to wake Zhang Yuxi but found her already awake. Mother and daughter were having a wonderful time playing together.

Just then, Little Treasure, who had been completely engrossed with her mother, suddenly spotted a robot vacuum, and her eyes lit up. The five models Lin Feng had bought were all different in appearance. This one, for instance, was pink. Little Treasure instantly lost interest in her mother, her attention now completely captured by the robot vacuum.

This model was fully intelligent and posed no threat to children. If it encountered any issues, like a hard collision or being flipped over, it would automatically shut down. Moreover, it had a child-lock mode. With this feature activated, none of the buttons would work, so it didn't matter if Little Treasure mashed them.

Lin Feng carried Little Treasure downstairs. Peering over his shoulder, she saw the robot vacuums moving around the room like mobile balls. When one of them disappeared from view, she started to get fussy.

But then she turned her head and gasped.

Whoa, there were two in the living room!

Her little face, which had just started to crumple, brightened again.

These two robot vacuums were red and black. Infants are often drawn to the color red, so Little Treasure's gaze eagerly followed the red one wherever it went.

"Little Treasure, Mommy's going to work now. Can you say goodbye to Mommy?" Zhang Yuxi said.

Little Treasure paid her no mind, completely captivated by the robot vacuums.

Zhang Yuxi pinched her daughter's chubby little hand, then gave Lin Feng a kiss.

"Honey, I'm off."

"Okay, drive safe."

"Got it!"

Lin Feng turned his head and saw Little Treasure watching the robot vacuums with intense focus.

He explained, "These are robot vacuums. They help Daddy clean the house and pick up all the dust from the floor. That way, when you're crawling around, you won't pick up anything dirty and put it in your mouth!"

Judging by her expression, she hadn't heard a word he said. She was twisting her little body, wanting to get down.

Lin Feng lowered her to the floor.

An amusing scene unfolded. Little Treasure began chasing the robot vacuums, relentlessly pursuing the red one in particular. When the red robot zipped under a cabinet, she would lie on her stomach, tilting her head to find it. The moment it reemerged, she would let out a squeal of excitement, her face lit up as if she had discovered a hidden treasure.

Wherever the red robot went, Little Treasure crawled, with Lin Feng following closely behind her.

Suddenly, the little red robot turned and headed right for her. Little Treasure shrieked with delight, looking at the little machine that had seemingly thrown itself into her arms, and she hugged it tightly. Then, she climbed right on top of it.

Lin Feng watched from the side. He wasn't worried that she would break the machine, but rather that she might fall off when it moved. It turned out the robot vacuum was very well-made. It easily supported her weight, and she sat on it quite steadily.

She looked as if she had discovered a new continent, a wide, happy grin on her face.

"What's this? Has it become your new toy?" Lin Feng said softly. "You like it that much, huh? You're drooling all over the place."

Whenever the robot vacuum went to clean along the edges of the room or in tight corners, Little Treasure would get gently nudged off. Dressed in her thick March clothing, she didn't feel a thing. Even so, Lin Feng found a soft helmet for her. With this new piece of 'equipment,' he felt more at ease.

However, Little Treasure hated wearing things on her head. Each time he put it on, she tore it off, eventually losing her temper with a loud, frustrated huff. That was her signature move when she was angry.

With no other choice, Lin Feng had to shadow her every move to make sure she was safe. Who would have thought the robot vacuum would serve a dual purpose? It not only cleaned the house but also helped entertain his daughter.

Eventually, the robot vacuum returned to its station to recharge.

Little Treasure's face fell. She sat in front of it for a long time, babbling at it as if trying to command it to come out and play. When the robot didn't move, she patted it with her little hand, her expression quite bossy.

After waiting for what felt like three minutes, she saw that it still wasn't moving and came scrambling over to find her father.

Lin Feng had been watching her the whole time. When she came over to him, he pretended not to notice, casually picking up a nearby magazine.

Little Treasure tugged at his pant leg, getting anxious.

Ah, well. Even though this is my second time being a father, I can't help but be a little mischievous.

"What's wrong? Did you need Daddy for something?"

Little Treasure stared intently at the robot vacuum. The message was clear: it had stopped moving, and she was upset.

Lin Feng picked her up and explained.

"It's out of power. It needs to charge up before it can move again. See? The light is red."

Little Treasure's expression showed she didn't understand a thing. She just wanted to play with her robot!

Lin Feng explained it again, and she just stared at him. He took this to mean she was beginning to understand.

"That's right. The robot is out of power. We have to wait for it to charge, and then you can play with it again."

He had always been patient when it came to reasoning with his children.

Suddenly, Little Treasure seemed to have an idea. She gestured for Lin Feng to carry her upstairs. He didn't know what she had in mind, but he followed her lead. She directed him to the master bedroom, where they saw the pink robot vacuum, still busy cleaning.

Huh? Aren't they all part of the same set? How does this one still have power when the two downstairs are dead?

Little Treasure let out a joyful cheer, as if she'd been reunited with a long-lost toy, and immediately started chasing it.

He had bought five in total, but she had yet to discover the others.

She played for another half an hour, not bored in the slightest and still filled with boundless enthusiasm. Finally, this one too ran out of power and went to its charging dock.

Little Treasure froze, sitting motionless for more than ten seconds.

Lin Feng sat down beside her. "This one is out of power, too. Come on, Daddy will take you downstairs for something to eat. After they're charged, we can play again, okay?"

Little Treasure's supplementary food was already prepared, kept warm in a clay pot. This time it was vegetable porridge, as she seemed a bit constipated. She didn't like plain rice congee, but if he added some vegetables, sweet potato, or pumpkin, she would usually deign to eat some.

Sitting in her high chair after washing her hands, Little Treasure played with a toy, though her eyes would occasionally flick over to the robot vacuums. Lin Feng teased her gently as he fed her.

After she finished eating, she let out a big yawn and started to get sleepy. At this point, she either needed an adult to soothe her to sleep, or she would play until she passed out from exhaustion.

With Little Treasure, Lin Feng was much less strict than he had been with the quadruplets, and he picked her up and began to gently rock her. This soft spot of his was a habit he had developed while raising the third of his older children. After all, with two older brothers and two older sisters who doted on her constantly, she had been spoiled rotten.

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