I've read most of the WN and tbh the MC is probably the worst part of the story for me. He's not as bad as you're making it seem but side characters are far more enjoyable to read
Same lol, I was expecting a mainly wholesome series with darker elements similar to zom100 but fmc being psychotic is totally out of left field. Though it is making me anticipate the next chapter a bit more than a wholesome series would have