<prompt> Pedzisa mutsara unotevera: Musi waApril 20, 1945, I-121 uye I-122 vakadzoserwa kuSubmarine Division 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  <response>: Japan yakapa chibvumirano chepamutemo musi wa2 September 1945. I-121 yakazvipira kuvaAllies muna September 1945 paMaizuru. 