Rubuta ci gaba ga wannan sakin layi - A ranar 1 ga Disamba, 1943, an sake sanya "Tsugaru" zuwa Jirgin Ruwa na Uku na Kudancin Kudancin. A ranar 24 ga Maris, 1944, an tura shi daga Palau don yin hakar ma'adinai a Balabac Strait a Philippines, bayan haka aka ajiye shi a Balikpapan a Borneo. Ɗaya daga cikin ma'adinai daga wannan manufa an ba da shi tare da nutsewa, a watan Yuli 1944. A ranar 31 ga Mayu, "Tsugaru" an sanya shi zuwa "Operation KON"
(Rashin taimako na Biak), yana jigilar kayan tallafi daga Zamboanga a Mindanao a kokarin magance saukar Amurka. A ranar 21 ga Yuni, bayan barin Sorong, New Guinea zuwa Tsibirin Halmahera, jirgin ruwa na Royal Dutch Navy "K-XIV" ya yi wa Tsugaru torpedo, wanda ya haifar da mummunar lalacewa. Bayan gyare-gyare na wucin gadi, ta yi ƙoƙari ta isa Manila, amma an gan ta a ranar 29 ga Yuni a kusa da Biak ta, wanda ya kori cikakken yaduwar torpedoes shida. Biyu sun buga "Tsugaru", wanda ya nutse a matsayi kasa da minti 25 daga baya tare da asarar mafi yawan ma'aikatanta, ciki har da CO, Kyaftin Nakatsu.