Na-Ni Kim is a student of First Private High and also a Dicer. She isn't able to attend school, because of her illness. She's also dating a fellow classmate, Seok-Sun Jeong.
SpoilerDawn attacks her with a fatal blow, leaving her HP rapidly decreasing, she passes away soon after.SpoilerAfter Dong-Tae obtains the final die, he brings her back to life, and cures her illness, meanwhile erasing her memories of dice.
