Late one night, Hisaka dreamed of his dead friend Irieharaichi. Iriehara kept repeating in Arang's ears: "Gintoki, run away, Gintoki, run away." This is the reason why Arang returned to Edo. In order to protect his former partners and for the reason for the existence of his sword, five partners who had not seen each other in Edo for five years gathered together. Although each other's positions are no longer the same, they will gather again for the same reason. No matter how many times it is like this...