Plot Summary

She was able to do it for the first time. When I was thrilled and asked to enter the house for the first time, I was there ... Her older sister'Sora-san'who has no sex appeal! The butt that comes out of the shorts, the bulge of the chest, the obscene lewd words whispering in the ear ... I am a virgin and the stimulus is strong and I can not stand it and erection. Sora who noticed it secretly played with my crotch on her side ... I was robbed of my virginity before her.