Life has been blissful for Anima and his tight-knit family, which now includes a daughter they adopted during their trip together. Between celebrating Marie's birthday, going on a date with Luina, and getting ready for a costume festival, it's been one fun thing after another for the Demon Lord. But when something strange happens to Luina the day of the festival, Anima doesn't hesitate to use the full extent of his powers to save her!