An angel suddenly becomes a human after saving Zelo from being dead. She comes up with a name and now people calls her 'Kazumi'. Pumasok siya sa paaralan na pinapasukan ni Zelo, pero marami pa siyang hindi alam bilang isang teenager. She discovers she's got a thing or two to learn about life as a teenager, kasama na dun ang sakit dulot ng pagmamahal. Can she stay being human? Can she survive high school? O bumalik sa pagiging 'angel' niya?