The only person who understands Ririka-chan's embarrassing, secret fetishes is her homeroom teacher. Things she's too ashamed to tell boys her own age, she can reveal everything to her teacher... Ririka-chan, who used to spend all her time masturbating at home, becomes completely addicted to the teacher's skilled "old man techniques," and her body becomes unable to be satisfied without him! The forbidden relationship between teacher and student, which must never be discovered, continues...
