After losing his parents and memory in a tragic accident, Junna thrives in the care of his twin sister Senna and leads a content life in their high school. Amid the serenity of their bond, Junna rediscovers fragments of his past, stirring a mix of joy and turmoil as he navigates between forgotten memories and the uncertainties of the present and future. As he grapples with this tangled web of recollection, Junna delves into the enigmatic truth buried within his lost memories.