Klagenfurt Styria formed the British occupation zone in liberated Austria, a state of affairs which lasted until 26 October 1955. In 1961, Klagenfurt became the first city in Austria to adopt a pedestrian zone. The idea of a friendly twinning of cities in other countries that had started with the very first ever city partnership - Klagenfurt and Wiesbaden, Germany, as early as 1930 - was followed up by numerous city partnerships with the result that in 1968 Klagenfurt was honoured with the title of a "European City of the Year". Three times, a European record, Klagenfurt was also awarded the
No. 6 within No.6's Correctional Facility. Dogkeeper was raised by a dog who they call "Mother", and cares deeply for dogs as a whole. Dogkeeper has a volatile relationship with Nezumi, who often goes to Dogkeeper to buy information. Dogkeeper sometimes asks Nezumi to sing for the dogs when they die to ease their suffering. Dogkeeper's gender is kept ambiguous. In the English translation, the other characters use masculine pronouns while referring to Dogkeeper, but there are hints in the novels that they might be assigned female. Shion's childhood friend and a fellow resident of No.6. Like Shion, she's a child genius