Natural 2: Duo Episode 1 introduces viewers to twin sisters, Chisato and Kuu, who, after the loss of their parents, were adopted by an elderly man. During their childhood, they formed a close bond with Shoma, the man's grandson, who was staying with his grandfather due to his parents' impending divorce. Chisato, characterized as a tomboy, and Kuu, known for her sensitive nature, both developed feelings for Shoma. However, circumstances led to Shoma's departure, leaving the sisters to continue their lives without him.
A decade later, Shoma, having abandoned his aspiration of becoming a violinist, now works as an editor for a music magazine. Upon learning of his grandfather's passing, he returns to his childhood home and reunites with Chisato and Kuu, who have grown into beautiful women. This reunion rekindles past emotions and sets the stage for exploring the complexities of love, memory, and the passage of time.
The animation captures the emotional nuances of their interactions, highlighting the tension between lingering affections and the realities of their current lives. Natural 2: Duo Episode 1 lays the foundation for a narrative that delves into the intricacies of human relationships, the impact of past connections, and the enduring nature of unresolved feelings
