Preview is a Manga/Manhwa/Manhua in (English/Raw) 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

For Chun Sun-woo, a timid student: Acquired the power to glimpse into the future. and If you find yourself unable to elude the destiny, Then confront it boldly.