Aachi and Ssipak
아치와 씨팍 (original)
Sometime in the future, mankind has depleted all energy and fuel sources, however they have engineered a way to use human excrement as fuel. To reward production, the government hands out extremely addictive, popsicle-like "Juicybars", which in turn also act as a laxative. Aachi and Ssipak are street hoodlums who struggle to survive by trading these bars in the black market.
Starring Ryoo Seung-bum, Hyun Young, Shin Hae-chul, Im Chang-jung
It's a action & adventure and animation movie, and has a rating of 6.7 out of 10 from Imdb which is usually fine for this kind of movie.
Watch it here
Not found streaming from Netherlands.