Yuzhou Zui Cha Jiuyuan Zhinan

Arnold and Ah Qiu are down-on-their-luck freelance couriers, barely getting by in their rickety spaceship. Everything changes when they take on a mysterious, high-stakes job that promises a massive payout. Now, these two slackers find themselves at the center of a galaxy-spanning conflict, connecting powerful empires and clashing ideologies.

(Source: Bilibili Comics, translated)