'CHARGING CRYSTALS', a vlog series containing Krystal's simple daily life. It will show Krystal enjoying her staying-at-home life at the beginning of the year and then leaving for Jeju Island for a photoshoot Krystal will show her self-camera footage in which she spends the time by herself while taking a break after a while. She will also visit her friend's workplace and record something together. She will also show enjoying a walk with her mother on the New Year's Day.