My Avatars’ Path to Greatness

Seonghyeon Han is a victim of a violent crime that left him with impaired legs and a fear of the outside world. Now, he faces an even greater challenge: while he gained the power to create clones, he has just 24 hours before being sent to another dimension. As the countdown ticks down, Seonghyeon makes a desperate move -- he sends his clone through the interdimensional portal, and discovers his real body can remain safe at home. Thus begins the epic tale of Seonghyeon's... clones. Source: Webtoon