Masakichi-kun is a first year high schooler working as an errand boy for the upperclassmen bullies. One day he slams into a female member of a biker gang, touching her breasts... She saves him from a falling steel frame from a construction yard and leaves without saying anything...<br /><br />Later on, she suddenly shows up at his school causing a ruckus. What will happen to Masakichi-kun?