该剧改编自木苏里的同名BL网络小说，故事发生在一个重组家庭，因为父母的再婚，正值青春期的盛望（刘冬沁 饰）与江添（曾向镇 饰）意外成为“兄弟”，个性南辕北辙的两人，意外发展出一段深切的感情，成为彼此镌刻在心上的“某某”。
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