As demons start creeping in through the Witches\' Quarter, its protector must rise to the occasion and stop them from invading the human world.
This work takes its own route from the original \"Oshi no Ko\" manga from chapter 158. It portrays a daily life of Aqua and Ruby. What whould happen if Fuyuko Niino actually stabbed Ruby Hoshino, being envious of young idol\'s success?