At 10:43 two girls start undressing each other while a boy is hidden in their closet. Breasts and butts visible. Scene lasts 30 sec or so.

At 22:43 a girl takes off her shirt and exposes her bra to a boy. Implying that they are going to have sex in the bathroom. They make out for a while and scene implies she performs oral on him.

At 31:35 sudden memory of previous scene with two girls. Breasts exposed.