Main Character (Disguised Identity):
Meilin is the real identity of the girl currently attending high school under the name Xueyin.
The Twin Sister (Deceased):
Xueyin, the real Xueyin, was kind-hearted, soft-spoken, and introverted.
She had a secret romantic relationship with a young math teacher
When she was in middle school she suffered a accident.
She went into a coma for 2 years that's why she's still in high school
She was severely bullied in school
And died during attending school
Meilin's Current Situation:
Already graduated from school.
Returns to the same school pretending to be Xueyin to find out the truth about her sister's bullying and death.
Highly skilled in self-defense and mentally strong, unlike her sister.
Her goal is revenge—but she must stay undetected.
Ryu Xian's Role:
A powerful businessman with underworld/mafia ties.
Encounters Meilin for the first time during a street fight (Chapter 5).
He's intrigued by her bravery and starts feeling drawn to her.
Has never met Xueyin or Meilin before, so he doesn't know about the switch.
Sharp and observant—may eventually begin to suspect Meilin is not who she claims to be.