After inadvertently causing her family's fracture by exposing her father's affair, Jun Naruse is cursed into silence by a fairy egg, muffling her words to safeguard others' happiness. Even in high school, this mute girl's voice remains trapped, her attempts to speak met with physical pain. Unexpectedly roped into a musical with Takumi Sakagami, Natsuki Nitou, and Daiki Tasaki, Jun considers backing out until she hears Sakagami's enchanting voice. Could singing be her loophole, and is Sakagami the prince from her fairy tales? Can Jun finally express the melody of her heart?