Ep. 1: Tarou Komori explores links between his dreams and a past trauma involving his sister Mizuka.

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Tarou Komori seeks to uncover the connection between his recurring dreams and a traumatic incident that occurred eleven years ago, which involved him and his older sister, Mizuka Komori. As he undergoes therapy with a new counselor, he navigates complex interpersonal dynamics. Meanwhile, transfer student Masayuki Nakajima starts to pursue both Tarou and Makoto Oogami, adding tension to Tarou's efforts to understand his subconscious experiences and the lingering effects of his past.