Synopsis: The Executioner and Her Way of Life

The Wanderers, known as the Lost Ones, have traveled all the way from the far-off land of "Japan" to wreak havoc upon this world. Their sudden appearance and unpredictable nature have left many baffled. Menou, a young Executor, has been tasked with eliminating them unfeelingly. So when Menou encounters Akari, she at first views it as just another assignment... until she discovers that killing this girl is impossible. Akari is more than willing to assist Menou in finding a way to defeat her immortality, and thus the two embark on a journey that will transform Menou's life forever.