"When they completed the transformation, their forms almost appeared as human sculptures. If the contamination worsened, they would degenerate into nocturnal species."
"But this doesn't mean that Experience Students will turn into nocturnal species just because they lose their student ID cards. Despite a sense of converging paths, there are subtle differences fundamentally."
"Nocturnal species transformed from living beings... tend to be smarter, while those transformed from the dead merely have instincts."
"There's a type of non-human classmates in the classroom that's particularly ominous and can watch people; they are the ones I refer to as 'the non-human classmates who are not yet dead'."
"Not dead yet but already on the path to death, with barely any chance of transforming back."
