Kim Jae-woo
Hwang Tae-su
Choi Jun-hee
Han Won-sang
Coach Nam Gi-cheol
Woo Su-a
Jae-woo's mother
Jae-woo's father (Kim Cheol-won)
Head Coach Ahn Seong-hyun
Jae-woo (young)
When young Jae-woo reaches the upper ranks of South Korea's national kendo team selection, he is shocked to learn his main competition is the man who accidentally killed his older brother.