Fifteen-year-old Yuna prefers staying home and obsessively playing her favorite VRMMO to doing anything else, including going to school. When a strange new update gives her a one-of-a-kind bear outfit that comes with overpowered abilities, Yuna is torn: the outfit is unbearably cute, but too embarrassing to wear in-game. But then she suddenly finds herself transported into the world of the game, facing down monsters and magic for real, and the bear suit becomes the best weapon she has!

Bumboo is a talking car, innocent in many ways, Bumboo searches for her mother throughout many adventures and dangers, battling villains and stopping thieves while discovering that she may not be the only talking car of her kind in the world.