How can mangaka pull stupid things like this?
She is in the same class as them? Bullshit. There is no way those 2 or the entire class even wouldn't have noticed a student remaining absent for months.
Minase is getting brainwashed.
She was being a normal natural woman, and now they are trying to brainwash her to be studious and bland.
Guys like the dumb girls, who know how to cook, and agree with everything we want.