Ichika Tsubasa the Commander of Southern Mindanao Girls Academy has been known having possessing strong tanks like M41 M48 and T28.

Her best friend Daniel Tachibana is her Vice Commander. They have known each other since 1st year in the Academy.

Since 1st year Rhena encounters Daniel in a Kuromorimine uniform but he said he's transferring in Southern Mindanao Girls Academy because Kuromorimine is a strict school and always struggles for victory.