Dekakute Ecchi na Ore no Ane

Segawa Shunsuke, a young individual with short stature, subject to significant psychological complexes related to his anthropometric characteristics, is a student at a higher educational institution. After a ten-year absence, he returns to his parents' house for spring break. However, instead of the expected meeting with his parents, he is confronted by the presence of his three adult older sisters, which represents an unexpected twist in his return.