Bad Born Blood

All this is for the Empire. Luca had never once questioned his dream of joining Accretia's Imperial Guard. Not until he met Ilay, that is. The most unexpected of friends, Ilay's personality and family background are nothing like Luca's. However, it is through their differences that the two friends will begin to shape not only each other, but even the very planet on which they live.

(Source: Webtoon Entertainment)