Progressing with a large entry which covers up the remaining Shimushu and Etorofu units.
Shimushu as of 1944:
Late-war fit of the class, the minesweeping gear is removed to allow 60 depth charges to be carried. A Type 97 81-millimeter (3.2 in) trench mortar is also added and the anti-air suite increased to fifteen 25mm machine guns iin five triple mounts. A Type22 radar is also embarked.
Oki as of 1943:
Among the first ships of the class to be commissioned in late March 1943 (along with Sado and Matsuwa), distinctive features were the different gun shields and higher number of portholes. She survived the war and was ceded to Taiwan and renamed Gu An, serving from 1947 to 1949. She then ended in Chinese serivice as Chang Bai. Ultimate fate unknown.
Fukue as of 1943:
Commissioned in June 1943, the fifth ship to be commissioned overall and the first to enter service with reduced minesweeping gear and a modified foremast fitting a Type22 radar. She survived the war abd was scrapped in 1947 after serving as a repatriation vessel.
Amakusa as of 1943:
Commissioned in November 1943, she initially didn't fit the Type22 radar, which was installed later. On 9 August 1945, while lying in harbor at the Onagawa Bay the ship came under air attack led by Canadian Lieutenant Robert Hampton Gray. Despite his Corsair was hit by anti-aircraft fire Lt. Gray managed to hit Amakusa before crashing into the bay. Amakusa sank with with 71 crewmen, and Lt. Gray phostumously earned the Victoria Cross.
Manju as of 1944:
Also commissioned in november 1943, She survived the war in damaged state in hong Kong and was scrapped in 1946.
Kanju as of 1945:
Initially commissioned in October 1943, she was fitted in 1944 with a Type 97 81-millimeter (3.2 in) trench mortar and the anti-air suite increased to fifteen 25mm machine guns iin five triple mounts. She hit soviet air-dropped mines and sank on August 15th 1945 at Wonsan.
Kasado as of 1945:
Last ship of the class to be commissioned in February 1944, she had the lowest number of portholes of the entire class. Damaged in April 1944 she recieved a Type 97 81-millimeter (3.2 in) trench mortar and the anti-air suite increased to fifteen 25mm machine guns iin five triple mounts. She later landed one of her 120mm guns for eight more 25mm machine guns. She ended the war in damaged state in Hong Kong and ultimately scrapped in 1948.