Completed and commissioned in November 1944, she served during the final months of World War II, carrying out operations in Japanese waters and a single supply run.

[1] For surface running, the boats were powered by a single 400-brake-horsepower (298 kW) diesel engine that drove one propeller shaft.

[4] In mid-January 1945 she conducted workups with her sister ships Ha-102 and Ha-104 in the Iyo Nada in the Seto Inland Sea.

[4] She was reassigned to Submarine Squadron 7 on 27 January 1945[4] and in early February 1945 moved to Yokosuka, Japan, to take part in a series of exercises with Ha-102.

[4] On 13 May 1945, she took part in deep-diving tests of an Imperial Japanese Army Yu-type transport submarine north of Shikoku off Iyomishima Island.