Complex sentence: Krystal appeared in, playing the role of Ahn Soo Jung, a superficial and shallow girl, who does not have much depth of feelings, yet at times, is also very capable of showing care and concern to the people she loves.
Split into simpler sentences: Krystal appeared in, playing the role of Ahn Soo Jung, a superficial and shallow girl, who does not have much depth of feelings. Yet, at times, she is also very capable of showing care and concern to the people she loves.