When Lady B buys a lot of bonbons, she knows she won't gain a pound of extra weight. She piles her bonbons on the floor and puts on her cute black and pink boots. She steps on the bonbons, loving the aroma that wafts up to her nose. She enjoys knowing that she is the reason the mess is on the floor and there was nothing that could be done to stop her.
When Erina decides she wants to hurt her slave, she only has to sit on her. Erina loves being a giantess for that reason. It's very easy for her to pick her slave up and sit on her. She knows that her slave lives in fear of her big round ass and that is what she wants. When she sits on her slave, she knows she is cutting off air from her but she doesn't care.