1
Sumin is such a fan of
Younha, that she humbly purchased tickets and went to Younha's fan meeting by herself, without telling anyone, and without the aid of
STAYC's manager in getting her any preferential treatment. Her plan to blend in was foiled, however, when a fan recognized her. Younha thanked Sumin for her efforts with a signed album.
2
Sumin has been friends with
Rocket Punch's
Suyun since they met as trainees in March of 2017. Sumin is just 4 days older, both are "rabbits", and they share the same MBTI (ISFJ).
3
Sumin is the 'Dad' of
STAYC according to
J.
4
After only having seen a picture of her on social media, an agency's staff traveled all the way from Seoul to Sumin's hometown of Pohang to scout her. She auditioned in a karaoke bar near her home, where she sang 'Have A Drink' by
Zia.
5
Using "SsumD" as her DJ nickname, Sumin hosts a radio show, on KBS CoolFM's 89.1 'Station Z'. The program is called "Sumin's STAYZ".
6
Sumin can do the wave. With her eyebrows!
7
If Sumin hadn't become an idol she believes she would've been an office worker and mukbang YouTuber.
8
Sumin owns a record player and enjoys listening to vinyl. She's collected several albums including "Shawn Mendes: The Album" and
Day 6's "
Sunrise".
9
Sumin has four cats. Their names are: 비지 (biji), 두부 (dubu), 앙꼬 (angkko), and 콩이 (kongi).
10
Sumin and
Sieun are roommates in the dorm.