Tati wants to prove that her belly is better than Lola's belly, and for this, Tati leaves Lola to punch very hard her little belly, Lola accepts and start to give great punches just in Tati's stomach. The Lola's fist is drilling Tati's belly, causing a unbearable pain but at the same time, this pain give pleasure for Tati and this make this movie very sexy and exciting.