<prompt> Nyora kupfuurira kweiyi ndima - Musi waApril 20, 1945, I-121 uye I-122 zvakadzoserwa kuDhipatimendi rePasi pegungwa 33 muKure Submarine Squadron. I-121 yakaendeswa kuMaizuru Naval Base musi wa12 Chikumi 1945 uye yakagara imomo kusvika pakupera kweHondo Yenyika II. Kurwisana kwakaguma musi wa15 August 1945, uye Japan yakapa chiokomuhomwe zviri pamutemo  <response>: musi waSeptember 2, 1945. I-121 yakazvipira kuvaAllies muna September 1945 paMaizuru. 