Fudo Aikawa, who doubles as leader of a heroic Sentai team, Red Gelato, and Desumi Magahara, who doubles as combatant leader Reaper Princess for an evil secret society, have fallen in love! Can these two mortal enemies keep their relationship secret while their organizations fight in the background?!

Haru invites Fudo to lunch to try to ask about his suspected girlfriend. But when Desumi spies them together, she can't help but feel shaken... a feeling that soon shows itself on the battlefield!