Writing: really good, provides relief after 80% of the novels of this site being just gibberish
Stability: for the past 2 months or so, from what I see, author-san has been posting almost every week so its very good consistency
Story: develops really well for the start of a novel, for a fantasy and reincarnation genre the mystery added in is really what binds the story in the beginning and allows us to have the same thoughts and reactions of the protagonist.
Characters: Even in the beginning of the story we have quite a few characters, I must applaud author-san for making all them really well established. They feel real and genuine.
The Protagonist: Not much to say. From what I see he is meant to be somewhat of a blank slate, really not too much background info, which in the end helps introduce him slowly as we get to know more about him. Even after being "reanimated" Reeve doesn't really react like your normal human, but that might be due to him having some sort of nature that makes him inherently not value life, this might be a plotpoint since its stressed out quite a bit
The world: Its surprisingly well built for only the start of the novel.
Overall I am willing to bet that this might make it big since it has all the characteristics of other popular novels on this site, minus the annoying parts.
10/10 review from me, really well deserved