A-Ko is shown topless while getting dressed. Not shown in a sexual manner.
A few nude scenes depict A-ko and B-ko with their breasts exposed. A-ko has frequent upskirt shots revealing her panties, and B-ko wears a battle outfit with a light dominatrix motif, complete with whip.
B-ko is implied to be sexually attracted to C-ko. She is shown in one scene thinking about C-ko in a private bath while fondling one of her breasts.
A-ko lands in a large laundry deposit filled with bras and panties.