The servant of the Tendou family, Eito, serves the perfect young lady, Hoshine. One day, Eito informs Hoshine that someone from another class confessed their feelings for him. Hoshine, who has hidden her feelings for Eito since childhood, begins to feel uneasy: «I've loved Eito for a much longer time!» As a result, Hoshine starts to approach Eito even more, making bolder advances than ever before! She gets close to him in crowded trains and begs him to sleep by her side… While Eito tries to maintain his role as a formal servant, Hoshine increasingly pursues him with her advances. It's an adorable romantic comedy between a mistress and her servant, featuring a young lady who strives to win her servant's love!