Erena, a high school girl, died in a fire... but she was reborn in a parallel world! She now works as a housekeeper for a... more>> wealthy elderly couple, using the housekeeping skills she honed in her men-only family. One day, the elderly couple move in with their son, but his house is the royal castle! The couple were actually the retired previous King and Queen, and their son is the King! Can Erena's housekeeping skills help pave a new way for the kingdom?! <<less

Scientists predicted an imminent meteor impact on Earth that would annihilate civilization, but contrary to their prediction, the meteor missed Earth. Though avoiding immediate destruction, humanity found that the meteor left behind something in its wake, something that would change the course of civilization forever: a new form of bacteria that ate through all known metals.... more>>

Facing this new era where all metals turn to ash, Jinkichi and his classmates will have to survive with little help from the Japanese government. Some of his classmates have already begun to understand that the norms of the past have collapsed, and lawlessness will be the new law. Jinkichi will have to protect himself as well as his classmates from the violence that ensues. <<less