As high society's most eligible lady, Sierra Fernein did whatever it took to please her family, despite their flagrant disregard for her. But upon discovering she has only a month left to live, she decides t...

Nagakawa Shinichi and Sanada Yuuki both get involved in an accident and die together, but they are given a chance to live again. A voice lets them survive for seven more days. However, after the time limit, ...