- Full name: Choi Jisu
- Date of Birth: July 21, 2000
- Nationality: Korean
- Blood type: AB
- Group: ITZY
- Agency: JYP Entertainment
- Debut: February 2019
- Position in the group: Main vocalist
- Family members: mom, dad, younger brother, Lia
- Nickname: ‘Lya’,’lovelia’,’cinamon lia’, and ‘honey Lia’
- Lia used to study in Canada for three years. Her English is fluent
