Astral Odyssey: Dying Ember
Otherwise, it would have rested on her conscience for the rest of her life.
However, without experience, Hina was soon the one in need of help, which was when the male lead entered the scene.
Yosuke Sato was part of an old and traditional family with a long history of mages.
Yosuke had never heard of a book falling into random hands the way Hina had experienced. He only ever knew of books being passed down in families. So, his interest in Hina was piqued. That, combined with the string of fate between them, resulted in him training Hina, even though he was not much older than her.