This class consists of YAYOI, KISARAGI, KAISHUN and YOSHUN MARUs, all completed in ‘35 for Kinkai Kaisoku Kisen K.K. YAYOI and KISARAGI MARUs were requisitioned by the IJN, the former was converted in Apr ’44 to an auxiliary transport, the latter served as a general requisitioned transport. KAISHUN and YOSHUN MARUs were requisitioned by the IJA as Army transports No. 1045 and No. 215. All but YOSHUN MARU were either mined or bombed by USN Aircraft and sunk between Aug and Oct ’44. YOSHUN MARU survived the war and was deleted in 1979.