少女教她的同学她的继父教她的东西

Martina does homework with Jose Carlos, her classmate. Once they are left alone at Jose Carlos's house, Martina takes the opportunity to teach him a game. Jose Carlos finds the approach to the game a bit strange, but Martina tries to convince him that the game is funny and that if he obeys what she says, in exchange she will do his homework for a week.