Isekai Maou to Shoukan Shoujo no Dorei Majutsu - Volume 1 Chapter 2.13

As a boss with space plant abilities in the apocalypse, Lu Yao once traveled to the future, became the director of a nursery school that was about to close down, and became a rare animal human on the verge of extinction.
The food she made at random can cure the genetic disease of the cubs in the welfare home. She punched the cubs’ scum fathers and scum mothers, and kicked the remarried families who abandoned the cubs.
It is such a good kindergarten successor dean, who is attracted by that single cool imperial marshal!
Since then, the barrage in the live broadcast room has become:
Imperial Citizen A: Dean A, I really want to marry.
A certain big black dragon: Shut up! This is your marshal’s wife!
CP: Dean Lu Yao, who is extremely protective of short-sightedness and loves cubs, X the imperial marshal Helanjia who loves Shang Yunxi more than cubs
Brief: There are no bad cubs, only bad big ones.

- Description from novelbuddy

David travels to a month before the apocalypse, where countless zombies and mutant beasts have emerged.

At the brink of global catastrophe, he unexpectedly obtains a storage space of 50 million cubic meters, where any stored items receive a 100,000 times boost in effectiveness.

“Your stored Dongpo pork has received a 100,000 times boost!”

“Your stored fried chicken has received a 100,000 times boost!”

“You have discovered a portion of petroleum, receiving a 100,000 times boost!”

Before the apocalypse arrives, he stockpiles billions of supplies.

While others suffer from hunger and fight for a single pack of instant noodles, David leisurely enjoys red wine and steak within the safety of his fortress.

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The story of otaku building a harem! School flower, loli, wife, mother and daughter, mature woman, teacher, nurse, queen, all kinds of beauties, three steps to push a girl, five steps to a group, harem group, infinite warmth, so cool that you always need to prepare a tissue for easy reading !

- Description from novelbuddy