Yuria Mano and I have been close friends since we were young, as we lived next to each other, we often visited each other's homes to play. I was at the age of puberty, so I was very curious about the body, and my sexual curiosity was high. That day, after school, I hurried home to continue reading an adult magazine and masturbating as usual. While masturbating, Mano suddenly walked in and caught me in the act, which made me extremely embarrassed until she approached and used her small mouth to help me continue. It turns out she was just as horny, that day we helped each other satisfy our sexual needs, and this was also the first time we both discovered sexual intercourse.