31/08/1930-29/10/1940=
Passenger/Cargo Liner;Nippon Yusen K.K., Tokyo;
29/10/1940= Requisitioned by IJN;
16/12/1940=Auxiliary Submarine Depot Ship;
11/01/1941=Conversion to Auxiliary Submarine Depot Ship completed;

CEO:
CO:Cpt.Sekimoto Orinosuke [38]=
11/01/1941-01/05/1942;
CO:Cpt.Mori Ryo [38]=
01/05/1942-13/05/1943;
CO:Cpt.Seki Tei [36]=
13/05/1943-31/01/1944+:

01/02/1942Damaged;Kwajalein;
Bombs;US.A/C.Task Force 8;
31/01/1944 Sunk, nw.Truk;09*15'N;147*13'E;
Torpedos; US;SS Trigger;
43Survivors;~1188 KIA;
10/03/1944=Removed from Navy List;