After gaining powers from a radioactive spill Alex turns into liquid and spills out of her clothes (underware can be seen). She starts to move around while her friends try to catch her. After some time she turns back into a human. Embarrassed and fully naked she asks for her clothes back. Her friends in shock and awe try to get a good look at her after that they get her clothes back. We can only see her shoulders but it is implied that she in fully nude.
The sports teacher copies paintings by the painter Balthus by making Nadja strike a sexy pose. For another painting, it is a mother seated carrying her daughter (16) on her legs without panties with the skirt raised to the waist. The mother put her hand on the inside of her daughter's thigh.