First official anthology of the popular manga Axis Powers Hetalia

"Will you help me?" On her 16th birthday, Melissa, an apprentice at the royal castle, was hoping to be promoted to a lady-in-waiting and work alongside her favorite dragon knight, Captain Hubert, and the dragons she loved so much. However, she suddenly found out that the captain was retiring! Melissa was despondent at the loss of her goal. But the next day, the captain made her an unexpected offer. The captain was returning home to become the lord of the frontier territory where dragons roam, and he offered to take Melissa with him, to become his dragon-keeper and his lover! A fantasy love story between a hard-nosed knight and a dragon-loving lady-in-waiting! (Source: Ichijinsha, translated)