A perverted teacher, Ms. Ai, who loves young men and is frustrated with her sexuality, comes to her student Yamada's house for a home visit. After finding out about Yamada's sexual worries due to his poor grades, she takes advantage of the absence of his parents and starts a French kiss on the spot! As she exchanges saliva in a sticky, intense kiss and sweetly sucks on his tongue, the innocent Yamada gets fully erect in no time. With a greedy, stringy kiss, the beautiful female teacher and student cross the line.