Torako Koshi is the epitome of perfection. With her peerless beauty, top-notch grades, and position as student council president, her popularity in school is unrivaled. However, she harbors a dark secret—she was a delinquent back in middle school—and this is something she conceals to the best of her abilities. Unfortunately, when she meets the mysterious deer girl Noko Shikanoko, Torako's hidden shame is constantly on the precipice of being exposed due to Shikanoko's rather weird antics. To maintain the reputation she worked so hard for, Torako must go along with Shikanoko's whims, even going so far as to become president of the newly established Deer Club. All her efforts will be rewarded if she can prevent the menacing doe from accidentally blurting out damaging details about her personal history that will undoubtedly unleash Torako's greatest nightmare.

After her battle against the mysterious organization Amarariruku, Teru Momijiyama returns to her regular life in Tokyo—all while secretly continuing to save people as Japan's hero Shy. As a result of her experiences with others, Teru is able to slowly gain confidence in herself. While she still has a long way to go, Teru continues to make progress towards learning what being a hero truly means. While walking around the city after school, Teru runs into Ai Tennouji, whom she quickly befriends and begins to open up toward. Teru quickly learns more about her new friend’s past—she has run away from her village in search of something directly related to Teru's work as Shy. While the threat of Amarariruku continues to loom over her,Teru must decide how closely she is willing to work with the mysterious Ai.

The manga tells the story of Mira, who leads an evil organization trying to take over and destroy everything. Earth is under attack, but a magical girl named Byakuya Mimori stands up to Mira's group. As they face off, something unexpected happens—Mira falls in love with Mimori.

Third season of .