Shinayo, who attends a cram school in Tokyo, is whispered sexual words by her teacher one day. Curious about the unfamiliar words, Shinayo looks them up in a dictionary at home and upon learning their meaning, feels her pussy getting hot and starts stimulating her clit with her fingers. Heart-love had never experienced such pleasure before, her breasts swelled and her vagina became soaked. But she wanted to learn the meaning of pleasure from her teacher. As she received her first kiss and her first penetration from him, she writhed and became excited. The delicate body of the beloved bounces wildly as it is penetrated deeply with fierce thrusts, becoming captivated by sexual stimulation…
