The Katanas of the 47 Ronin

Origin
During the Tokugawa bakufu a daimyo Asano Naganori was compelled to commit seppuku after assaulting a court official named Kira Yoshinaka. After their masters death his retainers became Ronins and starts planning for revenge for their former masters honour after two years the 47 ronins attacked Kira Yoshinaka's house and mannaged to kill Kira. But for their actions of commiting murder they were also compelled to commit seppuku and join their master in death