Lily cleans herself up after a seizure. She removes all of her clothes. Full nudity is shown briefly--breasts, butt, and front. Her pubic area is shadowed and therefore barely visible.
Lily makes out with a man. She's shown in her bra and panties. He takes his shirt off. Nothing more.
Lily takes a bath, breasts visible briefly.
Lily is shown having sex, breasts briefly visible. Afterwards she has a seizure and falls out of bed naked, breasts clear.