In a mysterious institution called Familie, girls are raised. Kurumi, a girl who lives there, falls asleep the day before her 10th birthday. When she wakes up, 14 years have passed. The curtains open on this tale of misfortune, following Kurumi's journey in an unfamiliar place, surrounded by friends who have long since grown up, and ridden with missing memories.

(Source: Shueisha, translated)