Katakana & Hiragana

Katakana and Hiragana are twin sisters from Japan. A tragedy hits the two and their older brother when they were 7 years old and changed their whole lives. The death of their parents may be bleak, but the bright Hiragana, the rational Katakana and the responsible and caring Kanji keeps the remaining family in balance. But one day, a "stranger" comes to take away a part of the family while the two other parts will work together to keep the family together...