The art school, Yuto Gakuen, is located in a town a bit far from the city center. Two years have passed since I entered the school and Sakurada Anzu, one year my senior Beautiful sisters Saegusa Ayame and Saegusa Hinata who are childhood friends. Nanase Katsuragi, a gal who is a junior, Ikue Kigure and Riko Urushibara who often come to visit her. The student life centered around the workroom, which was enriched with. Time passes and new students Laura and Maniwa Kani enter the school in the same time as Anzu's graduation. The school life of "being doted on by the younger sisterly students" has begun!