Itai no wa Iya nanode Bōgyo-Ryoku ni Kyokufuri Shitai to Omoimasu - Chapter 307

Protect humanity from anomalies.

During a trip to gather medicinal herbs in the mountains, Wu Xiaoyu accidentally acquired the legacy of an immortal, gaining access to a magical breeding ground from the celestial realm.From then on, Wu Xiaoyu began farming and cultivating medicinal herbs, embarking on a dominant journey as a rural immortal physician, all while achieving great wealth.

This is a world shrouded in darkness, and the pervasive black mist erodes all living beings.

Only fire can dispel the darkness and protect mankind.

But the firewood will eventually run out, the fire will eventually go out, and humanity will eventually perish.

until Rhodes came.

- Description from novelbuddy

He is very cold and passionate, Mu Yanwang, who means what he says. He has always regarded women as dirt but she, he has only spoiled her.

At first, he said with overbearing arrogance – “Even you are mine.” Afterwards, he gradually fell for the enemy – “Mine is yours.” Finally, he surrendered obediently, – “Ning Xiaofei, I’m also yours.”

Ning Xiaofei, his little wife. He just wants to put her in the palms of his hand, to love.

- Description from Novelupdates