[HSODA-006] I couldn't control my erection against my sister's breasts, so she gently stroked me like a virgin. (Censored)

Feelings that I could never confess... Somewhere along the line...I began to think of my younger brother as a man...My heart amplifies this unforgivable feeling every day... ``We used to take baths together all the time,'' I thought, unable to control my emotions, so I stripped naked and took a bath with my younger brother for the first time in 10 years. Even though he didn't like it when I washed him close to him, he enlarged his crotch and had his first experience with me. Then we stole our parents' attention and piled our bodies on top of each other over and over again... and...