Completed and commissioned in December 1944, she served during the final months of World War II, making two supply voyages.

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

[4] She was reassigned to Submarine Squadron 7 in the 6th Fleet on 5 February 1945[4] and in mid-February 1945 departed Yokosuka, Japan, to take part in exercises.

[4] On 8 May 1945, the Japanese garrison on Marcus Island transmitted a message warning that United States Army Air Forces B-24 Liberator bombers had recently attacked the island and that United States Navy submarines were patrolling in nearby waters.

[4] After unloading her cargo and bringing aboard mail and the cremated remains of 90 deceased Imperial Japanese Army soldiers for transportation to Japan, she got back underway the same day for the return voyage.

[4] Escorted along the way by submarine chasers and Imperial Japanese Navy Air Service aircraft, she returned to Yokosuka on 1 June 1945.