On May 5, 2015, she became a contestant on JYP's newest survival show, SIXTEEN. She finished the survival in 6th place, hence becoming a member of the girl group TWICE. They officially debuted on October 20, 2015 with their first mini album, The Story Begins
Sana’s hobbies are collecting perfumes and body mist.
Sana likes yogurt smoothies but hates eggplants and beans.
The name Sana means 'thread' and 'summer' in Japanese.
Sana likes the colors purple, pink, white, black and beige.
Sana has a scar from when she went to go eat with Mina and Momo. She burned herself on a doenjang-jjigae bowl.
Her specialty is untangling knots and calligraphy
She gained attention for her line "shy shy shy" in "Cheer Up".
She is known for her "cheese kimbap" line in Knowing Brothers.
Fans also know her for her "Taxi Taxi" dance.
Had a scandal in 2019 over mentioning the transition between the Heisei and Reiwa era in Japan on an Instagram post, many people twisted her words and made it seem as if she being insensitive to the Korean netizens that suffered in the hands of Japan. Sana received a lot of backlash but eventually, gained a lot of support from Once.
In Gallup Korea's annual music poll which interviews 1,500 people between the ages 13-29, Sana was voted the 17th most popular idol in 2018, which is a tie with her bandmate Jeongyeon and the highest ranked Japanese idol in the history of the poll.