Sayaka is a 20-year-old young woman raised in an upper-class family in Shirokane. Since childhood, she studied piano, ballet, and English conversation, growing up in a household that valued art and culture from an early age. Having attended an all-girls school and raised in a strict environment surrounded only by male figures like teachers and her father, she carries a pure and innocent aura. However, after entering university, through club activities, intercollegiate social events, and parties, she began to discover her feminine charm and explore a new side of herself. This journey of growth has shaped her into the captivating woman she is today.