Most recently starring in tvN's 'Prison Playbook', Krystal commented on her character Ji Ho, saying, "Some people may think it's the same as before. However, from my perspective, she's the character that I'm most focused on and the most trustworthy."

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"I wanted to go for a new look so I even cut my hair," she added, describing her bold move. The reason why she decided to take on various roles was, "I feel that I might get tired of playing the same role every time."

Krystal also said, "It's all still a learning process for me. I think I'll have more time to present more dynamic works in the future as I get older. For right now, I get nervous, yet wish to do my best in order to illustrate a level of perfection."