A tall brunette with a cat's tail and ears. Dazai Osamu was born in a world where all people have tails and ears of cats. They are called neko. In their world there are many restaurants, cafes, entertainment centers, many work options. Dazai, like many neko, is very dependent on catnip. Catnip in their world is like drugs in ours. The most popular food is sushi, especially salmon in sauce, as well as other seafood.