An office lady and high school student are both summoned to be the holy guardian to protect the kingdom but only the high school student is acknowledged as the holy guardian, while office lady is rejected and unable to go back home.
Sei revolutionizes the kingdom Salutania's culinary arts. A handsome high-ranking man expresses his heartfelt thanks to Sei for saving his life. Sei makes a new friend and finds a new passion for cosmetics.
After learning about her summoned counterpart's struggles, Sei is forced to come to an uncomfortable conclusion. Soon after, Sei's foray into healing magic changes her world forever.
Unable to keep her mysterious powers under wraps, Sei meets with the Grand Magus to determine if she is the Saint. The King of Salutania calls Sei to court.
Sei begins her magic training in earnest, tutored by none other than the Grand Magus himself. Commander Hawke and Liz assist Sei with learning how to be ladylike.
When the Kingdom's mages summon a Saint, Aira is whisked off towards grandeur and glory. Now ward to the Crown Prince and unable to return home, Aira must make a new life in a fantasy realm.
Sei discovers a powerful new aspect of her Saintly nature. When she joins the Knights for a dangerous expedition, Sei must use all she's learned to keep her friends safe.
Still unable to replicate her lifesaving conjury, Sei continues her training--then stumbles into an argument between Liz and Prince Kyle about her Sainthood. Aira makes a new friend.
Sei struggles to come to terms with the conditions for casting the Saint's conjury. The party of Knights, mercenaries, and mages sets off into the treacherous woods.
