Why defend it, tho? You're reading an escapist fantasy, just enjoy it just like you enjoy fairy tales. And if you don't like it, just ignore it.
Don't you believe in fairies?
@JavelinJoe technically, they both express their willingness, so it is quite possible. On the other hand, consent is the process of constant negotiations, so intimidation can be a revocation of said consent. Then again, there's also a problem of "degree of fear to be recognized as an actual lack of consent" since being nervous before the act is normal especially if you're not used to the flow it comes in.
@Knighto Can't rape the willing...and she is most definitely willing. Also, people are probably calling her yandere because she had "yandere eyes"...even before MC used his skill on her. Furthermore, MC called her a "monster" because her cheat ability is a cheat among cheats...she can cancel everyone's ability...