Ngl, ive read the novel (as far as currently translated chaps allow) and i feel like the manga captures how batshit insane these girls are better than the novel in many cases, mostly due to the facial expressions imo
Author has no idea wtf theyre doing, introducing whiplash lackluster villains for pointless drama. How this hasnt been axed yet, or the author's editor reigning them in back with actual romantic fluff, is beyond me