Review Detail of koryu in I'm just a normal Doctor (Completed)

The fucking idiot is passing up each power up, why would he even progress in any sense. The last chapter was also a disappointment. I had the liking for MC initially, but not after the last chapter, it showed all the holes in his character, he's an uncaring, obsessive douche bag. I was really hopeful about this fanfic, the way it was initially going, no harem shit, feelings being properly nurtured, and the MC having a daring personality. Now this fanfic has gone straight from a 4 to a 2