Mistress Rina was asked to teach this guy to play the piano but he was so bad at it that she doubted whether she could do it. She decided to punish him in order to motivate him. She forced him to lick some roses she had crushed and she made him chew some of the petals. She also got him to lick the soles of her boots and when she instructed him again, she found out he was a more attentive student.