だいな♥あいらん

It all started with a "singing dinosaur".
A few years ago, an expedition team discovered dinosaurs in an underground cavern in Iceland. They took them to a southern island for research, where the dinosaurs proliferated, probably due to the suitable climate.
People later found that dinosaurs can be controlled with music, so a profession called "dinosaur tamer" was created, and a training school was born.
The main characters of this story: Emily and her twin sister Angie, enrolled in the school to become dinosaur tamers...