19 series tagged Sci-fi.
Seres’s Resolve: The Battle for Humanity 
I'm Really Not the Evil God's Lackey 
Emperor of Solo Play 
Space Cheon-ma 3077 
Stupidemic (Uncensored) 
Jungle Juice 
Nano Machine 
Hiding a Logistics Center in The Apocalypse 
Super Gene 
The Delusional Hunter in Another World 
Cheating Men Must Die 
Illusion Hunter from Another World 
Dandadan 
Veteran of the Apocalypse 
Apocalypse Sword God 
Heavenly Demon Cultivation Simulation 
A Hero Who is Good at Everything 
From Weakling to Nemesis 
Pitiful Ranger Pink: I’m Such a Disgrace, but It Feels So Good! (Uncensored)