The time skip from being reincarnated and waking up in a morgue, to being in school and having caught a thug, seems a bit wierd. I got over it though, story seems interesting. If Anon doesn't keep translating, I hope someone else picks it up. Seems a bit like 'the hero that came back is still the strongest' or whatever it's called, except without having to wait so long for only 1/5 or less of a chapter each time. (granted Kirei started releasing fragment chapters in bulk it seems, but you still have to wait longer than most manga for a full chapter)
In light of the first page, in the question of quality, I offer a very confident X
Kan, kan, kan aren't SFX of walking noises, it's the kan, kan, kan you hear from railroad crossings... https://www.youtube.com/watch?v=ae1B3Yz23vI&t=1m2s
Could be interesting, but if the author doesn't make use of the "MC was going to be sent to another world but didn't" plot point this runs the risk of being your typical "guy with powers in high school" story.