This class consists of OTORI and TOAN MARUs and DAIGEN MARU No. 10, all completed between Mar ‘43 and Oct ‘43 for various shipping companies. OTORI and TOAN MARUs were requisitioned by the IJN, the latter as a general requisitioned transport. OTORI MARU was converted in Oct ’43 to an auxiliary transport. DAIGEN MARU No. 10 remained under civilian control. All were sunk from various causes between May ’44 and Sep ‘44.