Could anyone be more excited to reach her 25th birthday? Pi Yanuo had an inauspicious start to her life. Doomed to live her life as a boy, Yanuo is shy and always tries to keep her distance to people to hide her true identity, and the mysterious aloofness makes her irresistible to the girls around her. With her 26th birthday fast approaching, will Yanuo find her much-anticipated return to being a female will be as easy as she had hoped?