Taima Senki Triple Lancer

Kenzaki Misora encounters the battle of Yellow Lancer and Shaspear, a female fighter of Ungrer Empire. When she tries to help Yellow Lancer, she awakes as a Red Lancer and beats Shaspear. Misora decides to join the battle to help Tamazusa Chinatsu the Yellow Lancer and her assistant robot Lavie. However, Ungrar send a strong enemy Beax who use an axe to the ground. Chinatsu and Misora manage to drive away Beax and then invincible fighter Wolfblade appears before them. Misora and Chinatsu desperately fight with Wolfblade but they are beaten. Shaspear saw it and rescued them. So Wolfblade begins to target Shaspear now. Red and Yellow Lancers rush to Shaspear to help her. Their kindness to Shaspear made her sealed secret power released.
(Source: magical-girl-mahou-shoujo.fandom.com; edited by MDL)