Maggots represent some unclean thoughts and troubles (sexual desire) in your heart.
White represents a person's spiritual purity, loyalty and wisdom.
White maggots can correctly understand the help and harm of sexual desire to themselves.
The school represents its own pursuit and exploration of sexual knowledge.
Net, 1 is limited by some rigid idea in my mind.
Maggots weave webs, and their pursuit of sexual desire is bound by evil thoughts.
Killing maggots means you want to forget your sexuality and distractions.