Yui noticed her son Akira unconsciously scratching his crotch, so she decided to lend him her delicate cream. After a while, she said, 'Oh no, I'm starting to get itchy too...' Yui went to Akira's room to get the cream back, but Akira wasn't there. She searched all over the room and finally found the cream she had lent him, and applied it to her crotch. However, she felt a strange sensation as her crotch tingled and her body heated up...
