Cursor 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

Cursor (??) is a Korean webtoon series written by Kim and illustrated by Sqt. It is published weekly on Lezhin. After a man suddenly starts seeing a cursor, he follows it on a journey that will lead him along a perfect path.