Noah, the main character, has been protecting her sick mother on behalf of her father who died in a war. She inherited her father’s summoner ability. Her mom believes that the commoner who handles mana will only use it in the war. So Noah tried to hide that. Eventually, Noah’s mother dies of her illness, leaving huge medical debt. In order to pay off her debts, Noah secretly uses her mana to work as a solver, running various errands. Then, one day, she receives a very expensive request from a client to break into the Renee Academy….