Wei Xi, who once suffered from severe low self-esteem due to obesity and introversion, fell in love with the prince charming recognized by the whole school in high school. However, when she mustered up the courage to confess her love to him, she was teased by him. Wei Xi, who was emotionally stimulated, became depressed and his academic performance plummeted. After going through a painful period of time, Wei Xi finally woke up. After many hardships, Wei Xi turned into a butterfly and finally gained her own love.