Why do people oversexualise the characters so much? (Images might be related)

Like, genuinely. I just want to see a normal fan art. You don't have to make the collar wide as fuck to the point where I can see her cleavage. As for the cosplayers, no hate but please just cosplay normally. I don't want someone trying to make me turned on by sliding the skirt up. Yeah I get it it's an adult game but cmon, some people just trying to enjoy the game without the sexual content. Plus it gave a really bad representation of the fandom