Suika from Dr. Stone was introduced at the age of 9 years old. Over the course of the story, especially accounting for time skips and her awakening after being petrified, she ages and is around 24 years old by Chapter 232. Chronologically, she is about 27 years old due to the years passed including the petrification period.
Key Age Points for Suika:
- Introduced at age: 9 years old
- Ages to about: 24 years old during the later chapters
- Chronological age (including petrification): around 27 years old
Her birthday is September 9th, and she is a young, dynamic character in the series.