Curse-Worker's Neighbor

Modified Poison Curse Magic: Curse-Worker's Neighbor (改毒呪詛魔法『呪人の隣人』) is a poison-based Curse Magic spell.

Description
With an open grimoire, the user places their hand on someone who has been cursed and enables that person to better control the effects of their curse.

While the spell is active, black markings extend from the user's eyes and mouth.