The Rose Grand Duchy was a vassal state at the northernmost edge of the Iron Ridge Kingdom. Its dragon-raising family—the Red-White Rose Family—was renowned far and wide, chiefly because of the roses cultivated by the family.
Like tulips, roses also possessed a magic potion sequence.
The Red-White Rose Family had cultivated roses for centuries. Not only did it possess a Rose Dragon Elf and great numbers of Rose Great Elves, Little Elves, and Elf Bugs, but its rose varieties had also become highly differentiated. The most famous among them were the red rose and white rose. The family would rather take Red-White Rose as its surname than adopt a dragon surname.
One variety of white rose possessed an extraordinarily potent magic potion effect. The magic potions made from it sold briskly to great nobles both within and beyond the country, costing more than gold and still falling short of demand—great families were willing to spend unimaginable fortunes so their descendants could use the finest magic potions.
Red roses were even more remarkable.
One of their varieties was called the "Red Dragon Great Rose," and the magic potion made from it was called "Red Dragon Water." Its enhancement to a knight's training was not particularly obvious.
Yet its greatest effect was boosting a dragon's magic power. That made its value immense. After the Red Dragon Great Rose emerged, the Iron Ridge royal family planned to directly annex the Rose Grand Duchy—the Rose Grand Duchy possessed only a single Ruby Dragon, already advanced in years and not especially powerful in battle.
However, the Rose Grand Duke of the time made a decisive choice, paying an enormous price to win over the royal princess of that era.
Thus, he leapt in status to become kin by marriage to the Platinum family. Together with