It's Gaaya-chan, a mascot character of Koshigaya duck stew. It is said that Oborozuka, the town where Kobayashi and others live, is based on Koshigaya, Saitama.
It's Gaaya-chan, a mascot character of Koshigaya duck stew. It is said that Oborozuka, the town where Kobayashi and others live, is based on Koshigaya, Saitama.
Then, should we consider it as crossover real life?