I haven't read the novel but the spoiler I heard da**, lemme spill so basically the MC like the ML but the ML didn't like him back so the MC ra** , gang**** him and lock him up into one of the toilet stall with A FUC**** VIBRATOR in the ML and I think the janitor found him after a half in a day I think and when the ML mother heard this she had an heart attack and basically died so the ML train himself to get revenge on the MC
As far as I know that about this story just revenge and disgusting sh** poor MC got Stockholm syndrome