Sweet is Mock's sister. Both make their home underground until curiosity about the world above draws them out. They venture aboveground to stand against injustice, aiding the vulnerable. Sweet joins missions defending the poor, the innocent, and the courageous in their hour of need. Their interventions target oppressive figures such as tyrants, evil kings, and notorious emperors. Sweet and Mock deploy clever and humorous subterfuge, employing tactics reminiscent of tunneling creatures. These actions unfold against the backdrop of pivotal historical moments.