The worst offender. "school swimsuits" are just fetish wear now, especially when they are designed like this. They almost couldnt fit her ass on screen with how much they zoomed in on it. Swimsuit also dont have boob pouches. And of course it's a size too small so it can really dig into her crotch.
The towel is almost like some kind of veil to shield us from how bland this design is outside the horny. The ghost also doesnt feel different in any way. I actually really loved how Diner Koju's ghost is soda colored or how it's purple glowing in her chuuni goth lolita outfit. This one looks the same as normal, because just blue...

Do better next year WFS.