Tales of the Stellar Unknown is a Manga/Manhwa/Manhua in english language, Action series, english chapters have been translated and you can read them here. You are reading chapters on www.mgeko.cc fastest updating comic site. The Summary is

Qi Xing, your average high schooler, stumbles across a mysterious seven-star disc. But this ain’t no ordinary frisbee. Suddenly, the disc drags him into the “Disc World”— a mind-blowing realm where his crazy adventure kicks off. Through a twist of fate, Qi Xing becomes a cultivator, a master of countless Daoist techniques. As he unlocks the secrets of the Seven Star Disc, a hidden power within him— the Primordial Celestial Qi—begins to awaken. But with every revelation, he gets sucked deeper into a conspiracy surrounding the legendary “Path of Immortality” through which he uncovers the truth about achieving immortality in the World within the Disc…