f(x)’s Krystal sat down for an interview recently and talked about her sister whom she picked as her mentor.
Krystal is full of love and affection for her elder sister Jessica.
The former Girls Generation member opens up about her life as an idol back in her 20s.
Jessica is the sweetest most supportive elder sister there is.
Krystal and Jessica continue to be sister goals in recent interview with Jessica.
Jessica has nothing but love and support to her younger sister comeback project in 3 years.