Wan Wan in each world seems to have no memory of them. I really cried every time when I left. I cried while watching it most of the night, especially in one aspect Wan Wan saved the male protagonist in a car accident, and at this time the male protagonist never fell in love with the stand-in under Wan Wan's influence since he was a child. Everyone in the plane except the junior students had their memories erased. It was really sad. The female protagonist in this aspect also worked hard and lived a sober life because of Wan Wan's advice. I really hope Wanwan can exchange feelings with others in every aspect and stop being so cruel. I really hope this book [Blow a kiss][Flow a kiss][Flow a kiss][Flow a kiss][Flow a kiss]