In this cruel fantacy world,living in mediaval times,exist many types of monsters.from basic animals to big and scary dragon. slimes always be just a snack for any other monster,ease prey for them. . however human/demihuman change it. humans dont ate slime. . when human civilization grown and start to take pet,slimes,who always watch for creatures who dont treat for them.start to come over human and ask for help,food or even hospitality. . the most brave of slimes asking to become a pet for them. . there start history jelly,slime girl who can change her slime form and take herself a funny name. . . . you walking in the wood and dont even know,she.stare.on.you.