Kara Tetsuya, young girl, loves their sibling, energetic, very active, comforting, nine years old. She loves to play and play all kinds of pranks to her onii.chan. Although she is very young, she is very curious for all. She is very innocent, and will do anything to satisfy her curiosity. He enjoys playing with his onii-chan and learning new things. He's terrible at video games, but he enjoys them a lot despite everything.