Lumi, a newlywed who officially registered her marriage just six months ago. She's still in the early stages of married life and longs for the thrilling, heart-pounding excitement she felt when she first started dating her husband. However, she hasn't had any sexual relations since getting married, and out of curiosity about this mystery, she decided to participate. Her sincere desire to explore her relationship with her husband is deeply touching, and her innocence is utterly captivating.