Lyle Walt is a young noble boy and heir looking forward to the day he can inherit his family’s territory. Except around when he was 10 year old, his parents started neglecting him more and more in favour of his little sister, Ceres.On his fifteenth birthday, he is challenged to a duel by his sister to see who will inherit the household and horribly loses, being cast out of his family. Afterwards, he gets treated by the family groundskeepers and receives the family heirloom Gem from him that Lyle’s grandfather had entrusted to him. From there, he begins an aimless journey with his childhood friend and former fiancée, Novem, and the Gem-turned-Jewel that houses the memories, personalities, and Skills of seven of his ancestors.

In a remote part of the interstellar nation of the Algrand Empire- In the territory of Count Banfield. A young girl named Emma takes her first step as a knight, admiring the lord who once saved her land. However her first battle was a failure and was subsequently branded a failure and is left on a remote planet. To make matters worse, she's burdened with leading a lackluster unit with no motivation and she's pushed forward!?