Two sisters, with ten years separating them. Once close, they grew distant with time. As the younger sister enters high school, their relationship once again begins to change. This time in an unusual direction.
Japanese (Romaji)Souiu Toshigoro ni Natchatta Toshinosa Shimai
SynonymsThe Age Gap Sister Is at That Age, Age Gap Sisters Who Have Reached That Age, Sou iu Toshigoro ni nacchatta Toshi no Sa Shimai, The Difference Sister of the Year When It Became Such Age