Review Detail of the_R_E_A_D_E_R in I was reincarnated as a Crow? (DROPPED)

.......he becomes someone able to take out a main mc hero in less than 3 chapters..... like come on I've seen some trashy harem novels do power balancing do much better than this and when I say trashy I mean not even a fckin seagull would go a mile near that trash