it is referred that a girl is reading an adult novel

there's a scene where girls are taking a shower there is no nudity only their shoulders are visible

a girl and a boy kiss passionately

a girl starts dancing provocatively there's no nudity, she slowly starts taking all her clothes off revealing her underwear

A girl is stripped by her classmates but nothing is seen.

it is also referred that a girl was called "sexually frustrated" by one of her classmates

a woman is hanged

a girl falls down a staircase and dies

A girl has a dream of another girl who's hanged

A lot of frightening scenes revolving a haunted tower.

Ghost apparitions.