She always has a smile on her face, no matter when and where she is, whether she is sad or angry, she has a smile that never fails, even when she is killing someone, people call her the Smiling Rakshasa. Except for her master, no one has seen her true face, and those who have seen her are waiting to be reincarnated on the road to hell. Now, she never uses a knife to kill, and a hand of crystal playing cards is enough to deal with anyone. She also has an unknown secret. She can use any weapon, even hair, as a tool for her to kill. However, what will happen when she travels to the Net King one day?