Two nice girls Alice and Evelina put experiments on a stomach. One of them the experimenter, and another the examinee. Alice puts punches to Eveline in a stomach, then she beats her by feet. But on it experiments with a stomach of Eveliny aren't finished. Alice tries to pierce a stomach a long spoke, but she can't make it strongly enough, and Evelina takes a spoke in hand and itself starts to pierce a spoke the belly. Then she takes a hairpin for hair and dresses her on the stomach. But there is more to come..