I read so much isekai, reival ,second life, covers, time tracels etc. that I going into it ready to drop it. But i have to say while the art is average it is serviceable and the pacing is alright. The pages don't feel like it's wasting space nor is it jamming full of random dialouge. Best of all clear rules are established. Other than the usual zombie bites bad, head shots good, we are told that too many survivers=death, too many weak in a group-death. And the small group rule means the characters rooster won't become a bloated mess. Hope to have more chapters soon.
Also MC is hard but not a jerk, nor does he seem overpowered and has a clear motivation. Find a team, stop the bad guys.