The most common thing I hear why a member leaves is they want to go into acting, I feel like their is another reason behind it but when they say they are leaving they usually say acting knowing that they might not make it.
List ex Idols who left their group to go into acting
Wonder Girls - Sohee
Hello Venus Yoo ara and Shin Yoonjo
Bebop 1 member forgot her name
Tinyg- Myeong Ji
List ex Idols who left their group to go into acting
Wonder Girls - Sohee
Hello Venus Yoo ara and Shin Yoonjo
Bebop 1 member forgot her name
Tinyg- Myeong Ji