Modern, Tokyo. Yuko Katsuragi, who left her hometown to work in Tokyo, works in a small company. After being tortured and losing friends, lovers, and dreams one after another, her health was also facing a crisis. After enduring for a year and a half, Yuko, who couldn't find her direction in life, decided to disappear in this land with the heavy snow. However, that night, she met the most important person in her life...