One morning, high school student Aoki Ruri wakes up to find that horns have sprouted from nowhere on her head! 'Actually, your father is a dragon.
When her mother says, “Could it be genetic?”, Ruri is taken aback, but she goes to school anyway…
In addition to the exciting new horns and classmates, another dragon's constitution is revealed?! A small anomaly occurs during an ordinary day――.
Dragon Girl Ruri's loose daily life begins.