"mentally scarring" my ass.
One has to be mentally challenged to asspull such a thing here.
All that happened in her (teacher's) perspective, is that she suddenly got horny and had sex with her student to satisfy herself. The worst that she could possibly feel is about having sex with a student and unable to keep her lust under control, maybe also afraid of things going public. The distance between feelings of actual rape for victims and events in this chapter is astronomical.
Also, if anyone comes here for "Level of Violence", it actually 2/10 at most. Tip of an iceberg, with no iceberg behind it. You will be disappointed. It is like fake harem anime where only one girl or boy gets chosen and the rest get dumped. Regarding the expectations and end results it is more false hype than substance.