She of Many Dragons

Alice is a mousey [General Laborer] who's highest ambition is to someday upgrade her class to work with animals and escape crushing poverty.
Her chance arrives when she finds a rare item to change her class. Now Alice is [She of Many Dragons], a rare minion-master.

Her new dragon-friends will stop to keep their new master safe. But a minion-master relationship goes both ways.

Alice will have to dig deep because in order to master her class, she'll have to become just as fierce as one of her dragons.

Featuring weak-to-strong protagonist, dragons of all types, and the power of friendship against a harsh world.