Yin-Yang Converting Merchant is a Manga/Manhwa/Manhua in (English/Raw) language, Manhua series, english chapters have been translated and you can read them here. You are reading Yin-Yang Converting Merchant chapters on ManhwaZ, fastest updating comic site. The Summary is
Adapted from the novel [Nether Market Merchant]. Mastering the yin/yang of life and death, manipulating the three realms, cocky and face-slapping, loli protecting, nether mining, royal beauty dating: he’s the first online merchant of hell, whom the devils call daddy upon sight.