By reader request, a list of trigger warnings, or potentially traumatic associations. Readers wishing to have themselves fully braced mentally may click for complete, spoilerized warnings (i.e., deliberately dilute and avert the whole emotional impact).
Discussion (not depiction) of nonconsensual sex: Ch. 7, very briefly in an omake in Ch. 11.
First-person depiction (experienced by viewpoint character) of intense school bullying. Ch. 19.