"When spring comes, I'll go to Tokyo." Shizuku Kashiwagi, a female college student with cute fangs who grew up in a snowy country, makes her AV debut in FNS-230.

With university graduation approaching, this is her last winter. A beautiful young woman who grew up in a snowy country and yearns for the city makes a momentous decision. Aside from family trips, she has never left her hometown, and her parents hope she will find a job there and get married soon after graduation. While she isn't particularly unhappy about this, she develops a fascination with glamorous women on social media who are actually AV actresses. Coupled with her lifelong interest in erotic content, she decides to try her hand at AV acting.