Two girls of different body weight standing next to each other. Weight difference. The first girl is skinny. The first girl has small breasts and a small butt. The second girl is slightly chubby. The second girl has big breasts, a big butt, and a plump belly. Belly overhang, belly rolls, fat rolls, deep navel. The second girl is looking at the viewer, smiling, friendly. The first girl is staring at the second girl. The first girl is embarassed and envious of the second girl's body, breast envy. Both the first girl and the second girl are wearing two-part swimsuits. Tropical bar in the background, palm, beach. Anime style.