Yamaguchi Rie

In 2029, a large scale ground sinkage occurred in the Mediterranean Sea. Chemical elements such as oxygen, carbon, gold, molybdenum, and cobalt disappeared from the earth's crust suddenly. The human population was decreased by 90% in sixty years. Researchers found out that the disappeared elements were drained into a planet Nega Earth, located in another dimension. To save the…

The 14-year-old middle school girl Sawada Honoka has lost her parents at an early age, and finding friends at school does not come easily. Living at her aunt's apartment, who is never at home due to work, Honoka wishes for her loneliness to end. Her wish is heard, and so the next morning she wakes up with a demon baby, Mao, in her bed. Thus Honoka suddenly turns into a…