Erkin, a pharmacist haunted by the war between Mormeratta and the North, accepts a summons to treat a reclusive master. While seeking the legendary Witch of the Sun to avenge his family, he remains unaware of the patient's identity.

Following the brutal war between the Northern Nations and Mormeratta, Erkin has earned recognition as a gifted young pharmacist. Despite his success, he remains driven by a singular goal: finding the Witch of the Sun to avenge his orphaned childhood.

His journey leads him to a secluded estate to treat a mysterious patient hidden from public view. As Erkin grows closer to the enigmatic master of the castle, he unknowingly walks into the shadow of the very enemy he has sworn to destroy.

Erkin treats a reclusive master in The Spark In Your Eyes manga while hunting the Witch of the Sun, unaware his enemy is by his side.

The Spark In Your Eyes, Erkin, Hildegard, Witch of the Sun, Mormeratta, Fantasy Romance, WEBTOON, Northern Nations, Complete manga, Blinding Spark