Monster! All Monsters!

[Growth-type male protagonist + non-brainless cool writing + lack of personality] The world has changed! For Ling Tian, ​​a cowardly boy who was isolated by school bullies, everything changed from the day he attended the summer camp. The instructors turned out to be monsters whose bodies were covered with tentacles. They could survive by parasitizing human bodies through their tentacles. In an instant, the entire summer camp became a place where monsters were slaughtered and inhabited, but Ling Tian unexpectedly obtained a shotgun that could deal with monsters. Human nature, greed, desire... Began to pervade at this moment. True and false, black and white, hunter and prey! Who is the monster? It seems that I can no longer see clearly at this moment. [Short introduction, move to the main text]