Moto Maou-sama no Nangoku Slow Life: Buka ni Uragirareta node, Mofumofu-tachi to Tanoshiku Slow Life suru no ja

The Demon Queen, Ragurindo Generufu Korasouda, was a workaholic. When the heroes attacked, her underlings took advantage of the situation to mount a rebellion. Deciding she could take it easy if she were dead, she used the opportunity to successfully fake her death and disappear. Hours later, when she finally arrived in a faraway land, what was waiting for her was... a huge number of furball slimes? (Source: Hifumi Shobo, translated)