Korea's only S-class guide, 'Yeo Ji-an', was called the 'Blind Guide' due to her uniqueness of having a 0% matching rate with all Espers. On her way home after failing to match with an Esper from Russia, she was suddenly swept up in a gate manifestation and woke up alone in a strange temple-like place. The world she entered through the gate is the continent of Wistrod, filled only with Espers, and Ji-an is the only guide here...