It's Not Mine!

Amid a routine day in the mountains, a woodcutter sets out for work with no unusual expectations. However, fate takes an intriguing turn when he decides to wash up at the water's edge and drops his belongings accidentally into the stream. As the dejected woodcutter ponders his loss, a dense mist unfurls before him, revealing an alluring mountain spirit. However, this spirit makes scandalously bold demands in exchange for assisting him in recovering his lost possession.

(Source: Lezhin Entertainment, translated)