But why did it feel a little difficult? It seemed to be very simple. Lin Jin let out a sigh and did it again. However, just like before, her body was as hard as a wooden board. She could not do anything like a teacher at all. Even the few chubby guys were doing better than her. How did this happen? He clearly felt that his body was very weak, but he couldn't even do the most basic movements? Lin Jin gritted her teeth and tried to press her body down forcefully. However, she felt a sudden cramp in her lower abdomen. She frowned slightly and ignored the twitching in her lower abdomen. Then, her little stomach cramped up... As she opened her eyes wide, Lin Jin's lower abdomen throbbed violently. It hurt so much that she almost cried out in pain. "Are you alright?" Chen Xinya, who was sta

