The 47 Rōnin in Debt

Original title: 決算！忠臣蔵

Feudal lord Takuminokami Asano has been led to kill himself due to a scheme by Kozukenosuke Kira. Having no time to mourn his death, samurai Kuranosuke Oishi decides to take revenge on Kira, planning an attack with the help of accountant Chosuke Yato… but they don't have enough in their budget.