Twins Yuko and Keiko lost their parents in the crash off the Sea of Japan, which killed a total of 138 passengers and passengers. Over time, her older sister, Yuko, became an adult and became deeply involved with Akio Tashiro, who had bad behavior despite the concerns of those around her. However, Yuko does not tell Akio about her sister's existence. There was a scheme there, and there was a sad reason ...
