Tale of the Half-blood

Based on Tale of the Nine-tailed 1938

This will be focused on Lee Rang and an OC character who will be introduced later.
The plot is similar but will be adjusted.

SPOILER ALERT

Lee yeon went back in time from 2020 to 1938 after something got stolen from the present world, something that was safely under the custody of the Old hag.
She sent him back with his right-arm Koo Shinju and his wife Ki Yoori.
The former mountain God appreciates the fact that he is able to be reunited with his younger half brother Lee Rang, who in the present time, sacrificed his life span to bring him back to life and spend it with the woman he had loved for 600 years.
Lee Rang while living during 2020 also built a strong relationship with Yoori, being his loyal server, Shinju and their adopted kid Sooho. They were living together as a happy family before he chose to sacrifice himself.
However they may meet someone new...

notes
the characters mentioned above are nine tailed foxes, not human
(kumiho or gumiho (Korean: 구미호; Hanja: 九尾狐, literally "nine-tailed fox") is a creature that appears in the folktales on East Asia and legends of Korea. All explain fox spirits as being the result of great longevity or the accumulation of energy, said to be foxes who have lived for a thousand years, and give them the power of shapeshifting).

Lee Yeon was a God and used to rule the spirits of nature, but he came down to earth to meet his human lover. Lee Rang is half fox (father) and half human (mother) who lives a long life by stealing years of life from other people through shamanism

The brothers have a love-hate relationship: meanwhile Yeon, the oldest is grateful to his brother and cares about him like a father figure, Rang claims that he abandoned him multiple times, therefore he grew up being the tough guy. at the time of the story (1938) he's the boss of a bandit gang.