Would you sacrifice your life in order to save another person? Eizit finds himself in front of that dilemma and confidently says no. However, can you truly know yourself well enough?
In two mirror worlds, a futuristic Earth and a fantasy one, the latter has people have 9 lives. Will Eizit keep his word and watch them die, or will he be moved by an uncontrollable force to sacrifice himself?
If he wastes his First Opportunity to Live, will he also waste his Last Opportunity to Live?