Mia Luna Tearmoon is the protagonist of the series Tearmoon Teikoku Monogatari. She is a princess of the Tearmoon Empire, known for her arrogance and selfishness. Initially, Mia is executed due to the collapse of her empire, but she is given a second chance when she finds herself sent back in time to her younger self. With memories of her past life, Mia resolves to avoid her tragic fate by improving her character and making wiser decisions. Her journey is both comedic and insightful as she navigates the complexities of royalty and politics.