My name is Yitan, just Yitan, without a surname.
"Name: Yi Tan
Age: 17
Gender: Female
Occupation: Killer
Codename: Tan
Good at: Killing with one knife
Personality: Confused but plain
Disadvantages: Sleeping, being late
Advantages: Not found yet"
"Hey! You! What are you talking about?! What's the 'advantage: not found yet'?! Hmm?!"
"Isn't that all you are? At least I don't see your merits."