The grain-buying team at the D City base is finally coming to an end.

During this period, the family took another rejuvenating pill in advance, and Su Jin decided to leave the D City base before the rejuvenating pill lost its effect.

In the past few days, they have also witnessed the reconstruction of the D City base. It must be said that the newly elected young management are a very capable group of people. The originally dilapidated D City base is now slowly becoming prosperous.

The people who bought food also became a group that came together to exchange food after going out to kill zombies every day.

"Excuse me... can the cores of mutant animals be used to purchase supplies?"

A tall man came over and asked.

Su Jin was slightly stunned. Beast core?

"Of course, but it depends on the size of the beast core."

Su Jin replied.

When the man heard that beast cores could be exchanged for supplies, he was immediately surprised and asked the people behind him to take out all the beast cores they had obtained today.

A large number of beast cores were taken out by the space ability user behind the man and placed on the ground.

"Brother, where did you get this beast core?"

Someone nearby saw so many beast cores and couldn't help but ask.

"Hey, we were lucky today. We accidentally arrived at the D City Zoo. There were many small animals around that had been eaten clean. We picked up some of the fallen animal cores and brought them back. Unexpectedly, we were able to exchange them for supplies."

The man said happily.

"You guys are really amazing, you even went to a place like a zoo. Aren't you afraid of large mutant animals?"

Someone sighed.

"The big animals didn't notice us. We only dared to walk around the monkey mountain and ostrich area on the edge. We ran away immediately after picking up the items. You know what, we actually heard the roar of animals inside. I wonder if there are any giant animals in there."

After the man finished speaking, he looked at Su Jin, who had stood up and counted the beast cores, with anticipation. He wondered if these beast cores could be exchanged for a pound of food.

"There are a total of 183 beast cores, which can be exchanged for four kilograms of rice or flour, or you can exchange them for something else..."

"Change, change, Xiaohong, please help us change it to flour!"

The man interrupted Su Jin and made a decision before she finished speaking.

"OK"

Su Jin smiled and asked Lu Hao to weigh out four pounds of flour and handed it to the man.

The man left with the people behind him, expressing his gratitude profusely. This was a perfectly normal thing, but it also let the people in City D know that beast cores could be exchanged for supplies from Zhang Xiaohong. Many people dug out the beast cores they had obtained before to exchange for supplies.

During a trip to City D, the family reaped a rich harvest. Adding up all the crystal cores and beast cores, they totaled a total of 850,000.

Su Jin felt that he could find another opportunity to upgrade the space. They now had more than 1 million crystal cores in total, which should be enough for an upgrade.

“I don’t know what additional features will be added.”

Su Jin said expectantly.

"What other functions can it have? Just make it bigger and taller."

Lin Xiuyuan said this while crossing his legs in the hall of the North Courtyard.

"Hey, that's not necessarily the case. Maybe there will be some amazing function."

Nie Qing said that he wished Su Jin could upgrade the space right now. He always felt that the space might have more functions.

So on the last night in City D, the whole family gathered in the space, excitedly waiting for the third upgrade of the space.

The second upgrade of the space cost 10 times as many crystal cores as the first one. This time, Su Jin was fully prepared mentally. After all, the crystal cores they earned were for the space.

So when there was still no reaction after 500,000 crystal cores were absorbed by the space, Su Jin calmly took out 200,000 and 300,000 crystal cores. Until he got the 1.3 millionth crystal core, there was still no reaction from the space.

“…”

The whole family stared blankly at the place where the crystal core disappeared. Isn’t this enough?

"I think... I can't take any more. I need to leave some for daily absorption."

Su Jin held his forehead and said.

"Xiao Jin, don't be sad. There are still many crystal cores earned from the Xinyu Store and Xinyu Branch in the base. Maybe you can upgrade when you come back."

Lin Tianzhen comforted.

"Yes, Sister Xiaojin, there are also the crystal cores that Xiaoyue and I get when we go out to kill zombies every day."

Mao Qiqi also came over and said.

"Let's go to the D City Zoo tomorrow."

Lu Hao rubbed Su Jin's hair and said with a smile, it has only been a short time since the second upgrade of this space, and they have already earned so many crystal cores and are ready to start the third upgrade. In fact, this speed is already very fast.

"Brother-in-law, are you talking about the D City Zoo that person mentioned today?"

Lin Xiuyuan remembered the zoo that the man mentioned today. From what he said, it seemed that there were large mutant animals in it.

"Well, I looked at the map. Although I'm not passing by, I won't walk much further either."

Lu Hao said.

Seeing that everyone in the family was trying to comfort him, Su Jin felt a little embarrassed.

"I'm not sad. The speed at which we collect crystal cores is already fast enough. It's only the first year of the apocalypse, so don't worry, everyone."

Su Jin said with a smile.

"That's right, Xiao Jin, we still have a long way to go. This place will support us for the rest of our lives, so there's no rush."

Lu Guanhai handed over a red and round tomato and said.

One can farm and fish here. In fact, he doesn't have any big requirements whether to upgrade or not. However, he still needs to earn crystal cores, otherwise this space will not even be enough to maintain daily spiritual power.

"Okay, that's settled then. We're going on a family trip to the zoo tomorrow."

Lin Cheng smiled and said, he didn't expect that they had never been to the zoo before the apocalypse, but they had the chance to go after the apocalypse.

"Hahaha yes, grandpa and grandma are following us this time too."

Lin Xiuyuan was actually looking forward to it when he thought about taking Lin Yunguo and Li Xiuying out to hunt giant beasts this time. Giant mutant animals and the like would surely be a feast for the eyes for the two elders.

However, Lin Xiuyuan never imagined that this trip to the zoo would not be as simple as hunting mutant or zombie animals as usual...

…

Early the next morning, the family quietly left the D City base in the mist.

A new registration office and security checkpoint have been built at the gate of the D City base, but people inside the base do not need to register when leaving the city gate, so no one noticed that Zhang Xiaohong and his group had left.

Su Jin had already informed Yao Rui the night before that they were leaving, and also gave her several sets of women's clothing and a set of skin care products.

Yao Rui was extremely moved. Her elder sister had not given her any gifts, but Xiaohong gave her such an expensive gift.

Knowing that Su Jin and his group didn't want to make a big deal out of it, Yao Rui just stood on the city wall and silently watched the minibus carrying them go farther and farther away.

"Bon voyage, Xiaohong"

Yao Rui said softly.