"Fruits Basket Another" serves as a sequel to the original "Fruits Basket" series, set several years after the events of the first story. The narrative centers on Sawa Mitoma, a reserved and socially anxious high school student who struggles to connect with her peers. Her life takes a turn when she encounters the enigmatic Mutsuki Sohma, a cheerful and outgoing boy who quickly befriends her. Mutsuki introduces Sawa to his family, the Sohmas, who are still grappling with the lingering effects of the curse that once plagued their lineage.

The Sohma family curse, which bound members to transform into animals of the Chinese zodiac when embraced by someone of the opposite sex, has been broken. However, the emotional scars and interpersonal dynamics shaped by the curse continue to influence the younger generation. Mutsuki, the son of Yuki Sohma, and his cousins, including Shiki Sohma (the son of Kyo and Tohru) and Hajime Sohma (the son of Kyo and Tohru), navigate their lives while dealing with the legacy of their parents' struggles. Each character carries their own burdens and insecurities, reflecting the complexities of growing up in a family with such a tumultuous history.

Sawa's interactions with the Sohmas gradually help her confront her own fears and insecurities. Through her relationships with Mutsuki, Shiki, and others, she begins to understand the importance of self-acceptance and the value of genuine connections. The story explores themes of healing, familial bonds, and the enduring impact of past traumas, while maintaining a lighter, more hopeful tone compared to its predecessor. The narrative balances moments of humor and warmth with deeper emotional undercurrents, offering a continuation of the Sohma family's journey toward reconciliation and growth.