Much like what others are saying this Manga was unfortunately canceled. For those wondering why, apparently the mangaka got sick and Dragon Eye was put on an indefinite hiatus since. Maybe something about eye surgery, but I'm not sure.
Here's a link to the thread where I got this info from: https://redd.it/250j1t
sequel in 2017: https://www.mangaupdates.com/series.html?id=118037
They all look amazing in those Chinese outfits, but can we take a second to appreciate how cute Snake looked? Because he was freaking adorable.