Yahiro, a young boy who has always felt a sense of duality within himself. One day, he has a vivid dream in which he sees two distinct souls occupying a single body. As he explores this dream world, he begins to realize that one of the souls is his own, while the other belongs to a mysterious figure named Gemini, who seems to be guiding him through the dream.
Yahiro's best friends, Khao, Ian, Law, and Miles, notice that he's been acting differently lately, and they become concerned. As Yahiro's waking life begins to mirror the strange world of his dreams, he confides in his friends and tries to make sense of what's happening to him.
Despite their support, Yahiro struggles to come to terms with the idea that he may have two distinct personalities living within him, each with their own desires and motivations. As he delves deeper into this strange new reality, he begins to uncover secrets about his past that he never could have imagined.
Throughout his journey of self-discovery, Yahiro must confront the challenges that come with having two souls in one body, including managing conflicting emotions and desires. He must also make difficult choices that will shape the course of his life.
Meanwhile, his relationship with Gemini becomes more complex, as they learn to coexist and rely on each other to navigate their shared existence. Ultimately, Yahiro learns to accept and embrace the duality within himself, with the support of his friends and the newfound understanding of his inner selves.