The most outgoing member of Twice is generally considered to be Sana. She is known for being very friendly and energetic, often making people laugh and enjoying the spotlight. Sana is the only extrovert in the group, which means she likes being around people and socializing, unlike the other members who are more introverted.
However, another member who is also quite outgoing is Chaeyoung. She is often described as a “hidden extrovert” because she can be very sociable and friendly when she meets new people, especially if she admires them. Chaeyoung has many friends outside of Twice, which shows that she is comfortable meeting new people and forming connections.
Nayeon is also known for being one of the more outgoing members of the group. She is often seen as the face of Twice and is very confident in her role, which helps her connect with fans and be more visible in public. Overall, while Sana is the most extroverted, Chaeyoung and Nayeon also show outgoing personalities in different ways.