Denma

is a webtoon written and illustrated by Yang Youngsoon. Started on 8 January 2010, this webtoon/manhwa was released on Naver and is still publishing. This webtoon is also being published on LINE Webtoons as of October 2013~November 2015 and it's re-serialized on January 2017~, in an English translation.

Plot
Silverquick is an intergalactic courier delivery services corporate that hires Quanx with special abilities as their delivery men. Dike a.k.a the Merciless Death of planet Urano becomes indebted to Silverquick, and becomes trapped inside a body of a small child named Denma. He takes off in a journey of making interstellar deliveries in hope of paying off his debt and reclaiming his body...

Official

 * Naver (Korean)
 * LINE (English)

Other Sources

 * Rami Record

Other Wikis

 * Denma Wikipedia