In his previous life in modern-day Japan, he was Kenzaburou Tondabayashi, a 52-year-old civil servant—and now he's the villainess! Reborn as Grace Auvergne, the drill-haired villainess of an otome game his daughter used to play, Kenzaburou is quite confused. From the little information he possesses, Kenzaburou knows he should be a haughty noble girl, but the disciplined older man is simply unable to act in such a manner. His calm and kind aura leads him to befriend the heroine and further endear him to the student body as the pinnacle of elegance. As he tries to keep the story on track, Kenzaburou will have to draw on his years of experience in the workforce, his perfect Japanese manners, and his family-oriented morals to fit in with the fellow kids.

Robotic invaders wiped out all life, but Renge fights to survive using her powers. With no memories, she roams the city until she meets five other young women, each with unique abilities. Together, they make the most of their lives, cooking delicious meals between battles with mechanical monstrosities. As they uncover the secrets of their powers and pasts, they find strength in their friendship.

"Will you give me the rest of your life?" After losing everything in a single night, Sakiko Togawa reaches out toward an even deeper abyss, one that will drag everyone around her down as well. Gathering the lives of girls burdened with their own troubles and desires, Sakiko raises the curtain on a perfect masquerade. "Welcome to the world of Ave Mujica." On a stage where sorrow, death, fear, love—even the solace of forgetting—are stripped away, will their masks be torn off and shatter into oblivion, or will they….