So wait, she's basically got a long history of being groped, peeped, and otherwise sexually assaulted, but with MC she just randomly decides to reciprocate? Somehow this makes the premise even shakier than it already was.
wtf is is wrong with daichi as fucking if. no one who only likes stockings because they're sensei's would prefer getting yet another pair of stockings when he's already been given like 4 or something over the chance to fuck her thighs directly.
Also, clearly sensei didn't report the rapist for the same reason she didn't report Gori-sensei trying to date rape drug her or report the student for harrassing her with filled condoms. These men are all dangerous and might violate other women or girls if she doesn;'t report them but she didn't because she likes being violated.