The young stepmother pampers her husband's son

My mother passed away early, my father decided to take another step to have someone to take care of me, but the person my father married was a very young woman Yuuna Ishikawa, she was only a few years older than me, so much so that calling my stepmother twice made me feel very embarrassed, I couldn't call, but my stepmother was very good at housework, and worried about me.
One day while I was masturbating in my room, I was accidentally discovered by my stepmother. Because she felt sorry for me at puberty and no one told me, the young stepmother helped me…