This is a romance between master and servant: a possessive cool-headed emperor and a young woman who's been reincarnated in this world and loves fluffy things!

Vivian, the former top star in a theater company, reincarnates as the daughter of a baron who's about to go bankrupt. In order to save her family as well as for a secret goal, she hides her gender and becomes a retainer for the cool-headed and proud Emperor Macmillan. Her crossdressing was supposed to be perfect, but for some reason, the emperor only gets close to Vivian and spoils her to the point that it's unimaginable for two men... The emperor is supposed to be a difficult person, but he's extremely sweet and attached to her. On top of that, he has the most adorable fluffy creature who shakes Vivian's reason...