Hello Kitty and her twin sister Mimmy love to explore and learn new things, and learning is even more fun with friends! So, you can imagine how excited Kitty is when the Berry family become their new neighbors. Even better, they have three kids: the twins, Amy and Eric and their brother, Harry. That's three new friends to go out and have adventures with! Whether they're learning to tell time, fold origami or just help around the house, there's always something new to discover!