Back in middle school, I saw my older brother's guitar and out of curiosity touched it, but suddenly felt a strange sensation and ended up leaking weird juices onto my panties. From that moment on, I started using the guitar for masturbation, rubbing my private parts against its body and strings until I graduated high school. When I entered university and moved to Tokyo, my desires grew stronger, so I finally bought my very own guitar from a secondhand shop. Of course, I can't actually play it—the guitar exists solely for masturbation. Every night, I change into sexy lingerie, wearing just a bra and panties, then start my erotic guitar session while listening to naughty music. At first, I gently caress my breasts over the bra using the guitar body, then gradually move down to stimulate my crotch through the panties. As arousal builds, I strip off everything and become completely naked, directly rubbing my breasts with the guitar. When my desire reaches its peak, I touch my pussy directly with the guitar body, ride it like a lover, and grind my hips so the strings hit my sensitive spot, indulging in lewd, grinding masturbation. As a result, the guitar's pickup and pickguard end up soaked with my slippery, filthy girl juices. Even now as an office worker, the guitar remains an essential masturbation tool. Just imagining it makes my pussy throb with excitement. Tonight, I want to masturbate with my guitar until dawn.