The Battle at Kanmon Strait (S01E09)

S01E01 The Day I Fell Into a Battlefield S01E02 Chosen Girls S01E03 The Battle of Gotenba S01E04 The Legendary Super-Builder Otacross S01E05 The Old Capital, Conquered S01E06 Special Move: Attack Function S01E07 Suzuno's Secret S01E08 The Terrifying Ammonite S01E09 The Battle at Kanmon Strait S01E10 For the Sake of this World? S01E11 Interceptor Group Juggernaut S01E12 Bonds That Save the World