Farewell, My Friend - S1.E22

Izumi arrives at the shinsengumi headquarters and comes across some old friends. Both Hijikata and Okita are there to greet him. He soon learns that they are not the ones behind the assassination. As such Izumi heads off to tell Sakomoto's wife about his death. But before he goes he reaffirms his promises with both Okita and Hijikata.