Runa, who works at a bakery, was given step-by-step instruction on how to tease a cock. At first, her tongue skills were clumsy, but as the filming progressed, she improved rapidly. She seemed to be having a lot of fun, sometimes checking how the other person felt, and sometimes sucking with all her might. She had a blissful look on her face while twisting her hips in the cowgirl position that she had just learned...She showed us a naughty side that you would never imagine from her neat and tidy appearance.