My Yandere Wives are Transcendents - Chapter 4: Saintess?

A story about a traveler who crossed into a parallel universe, relying on his Proficiency ability to continuously grind experience and become stronger.

On a certain day, a certain thought came to Japan’s Sun Goddess. ——Aren’t there too many Japanese people being abducted to other worlds? It’s true that the large majority of Japanese are diligent and docile and soft-hearted, which makes them pretty much the best people to ask for favors. “But recently it’s just gotten way too out of hand…… Oh, I’ve got it! Whenever a Japanese person is summoned, I just have to summon an otherworlder!” And now, every time a Japanese person is summoned, princesses and elves and beastmen and whatnot are reverse-summoned. Under the acknowledgement of the government, they begin living in Japan. Today, too, Japan is at peace. And so begins this laidback isekai cultural exchange story♪

Cao Xin, a young man on earth, died in a car accident, traveled to a troubled world where supplies were scarce, and obtained a “Bronze Immortal Gate”…

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- Description from novelbuddy

This is the story about the rebirth of a xiao gōng with a sweet steamed bun-like xiao shòu.

In the past life, xiao shòu, in order to help xiao gōng block a poisonous blade, ended up dying due to blood loss.

After the rebirth of xiao gōng, xiao shòu was loved till overflowing.

This is a cliche story which is warm, sweet, no abuse.

- Description from Novelupdates