Astlibra Revision Gaiden: The Cave of Phantom Mist

Every day she followed the same routine, sweeping away out in front of her family's store. The shut-in girl could only gaze with longing toward the work done by the town's heroic Guild. But when the Guild members go missing one day, she has no choice but to throw herself into conflict, chasing after their tracks in order to save her ill little sister. This is the story of an ordinary girl's battle.