After graduating from Minerva's Mage Training Institution, Louis has climbed his way to the top of the Magic Corps and learned to speak like a gentleman, all to marry the girl he loves. And now, he's all set to clear the final hurdle: becoming a Sage. But just before the Selection starts, his belove...

After graduating from Minerva's Mage Training Institution, Louis has climbed his way to the top of the Magic Corps and learned to speak like a gentleman, all to marry the girl he loves. And now, he's all set to clear the final hurdle: becoming a Sage. But just before the Selection starts, his beloved fiancée Rosalie suffers a nasty fall and loses her memory. As Louis works to discover the truth behind the incident, an unexpected new candidate for the Seven Sages appears--a girl prodigy who can use magecraft without uttering a word. Disaster looms and secret plots abound as the story of the Barrier Mage's youth reaches its exciting conclusion!