Saenagi named characters Shima Yoshitsune , Suruga Kaori , and Hyuga Shuhei after ancient regions in Japan ; Hyuga is a Western Sea Land .
Shima and Suruga are both Eastern Sea Lands .
Saenagi named characters Shima Yoshitsune , Suruga Kaori , and Hyuga Shuhei after ancient regions in Japan ; Hyuga is a Western Sea Land , while Shima and Suruga are both Eastern Sea Lands .