In secret, two female students sneak away during after school hours to the rooftop where they passionately kiss each other under the open sky, lost in their desires. Their intense French kissing escalates as they become aroused, unable to control themselves any longer. They indulge in daring lesbian sexual acts throughout the school grounds, ignoring the possibility of being caught by someone... Their bodies covered in saliva, they climax repeatedly amidst the thrilling tension of possibly getting caught. Note that the contents may vary depending on the distribution method used.