The princess, known as the "Knight Commander" of the Third Knight Brigade of the Royal Army, has been captured by the Demon King's army and is subjected to a series of gentle yet cruel tortures. During a workplace experience, MaoMao-chan and her friends are tasked with carrying out the princess's torture! The princess is thoroughly satisfied as they earnestly play the handbells. Meanwhile, the Demon King, who couldn't witness MaoMao-chan's performance...!?