Amadeus, a former Japanese man reincarnated as a young baron's son, thought he’d become a handsome youth only to find himself in a world teeming with nothing but stunningly beautiful people. While immersing himself in his beloved music, he somehow rose in status to become a count's son! Determined to enjoy music to the fullest, he used knowledge from his past life to amass wealth and gather fellow musicians. Then, one day, he met Julietta, a duke's daughter feared as a "monster"... but to him, she looked like an absolute beauty. What is going on with this world?!