Seiji Date is one of the main protagonists in the anime series Yoroiden Samurai Troopers (Ronin Warriors). Known as Kourin no Seiji (Seiji of the Halo), he wields the Armor of Halo, which represents the virtue of Courtesy. Seiji is depicted as calm, intelligent, and highly skilled in swordsmanship, making him a reliable and strategic member of the team. His calm demeanor often helps guide his friends through difficult situations, and he plays a crucial role in battling evil forces.