[To those around them, their relationship is just that of a normal senior and junior. But the truth is...] After school, two female students. The two run out onto the rooftop as if to hide, and under the empty sky, they passionately seek each other's lips. They lose track of time as they kiss passionately. They become so engrossed in their kisses that they lose track of time. They become aroused and can no longer contain themselves, so they boldly indulge in lesbian same-sex relations on school grounds... In the classroom, in the club room, they may be seen by someone, and the tension of this excitement makes them covered in saliva as they climax repeatedly in this school lesbian relationship.