Prior to the events in The Isle of Armor, Honey was the CEO of a trading firm. During one of her business trips, she met Mustard and married him afterwards. Together, they had a son named Hyde and set up the Master Dojo on the Isle of Armor. Honey is also known as the creator of Master Dojo's secret recipe, the Max Soup, which can make a compatible capable of Gigantamaxing. She originally wasn't a Trainer, but decided to try being one out of whim, and developed a skill in battling that is said to rival that of her husband.
Honey can upgrade the Master Dojo in various ways in exchange for Watts the player can donate her.