Yoshino discovered he was out of soy sauce, so he went to borrow some from the Sakuma family next door. Mrs. Sakuma, Kaede, greeted him, and she was surprisingly wearing revealing lingerie. "Th-th-th-if anything happens, please let me know," Yoshino stammered, thanking her before leaving. The next day, Kaede, pleased with Yoshino's reaction, immediately went to his room and said with a smile, "Can I borrow your penis?"