As the only daughter of a famous adventurer, Hinata Ema has had a pretty lonely life. But when her father remarries, she leaves the newlyweds alone and moves in to a huge building with her 13 cute new stepbrothers—each of which has a very unique personality. Oh, and her over-protective, talking pet squirrel is there, too. Is love in the air for Hinata?

As the only daughter of a famous adventurer, Hinata Ema has had a pretty lonely life. But when her father remarries, she leaves the newlyweds alone and moves in to a huge building with her 13 cute new stepbrothers—each of which has a very unique personality. Oh, and her over-protective, talking pet squirrel is there, too. Is love in the air for Hinata?