One of the most powerful Mystic Slayers of Japanese Heian period. 175cm tall. Due to her Berserker-class, her motherly nature is brought to the forefront, and she tends to act like a doting mother towards her Master. Raikou generally has calm and gentle demeanor when not in battle. Raikou is also prone to crying when she feels Master is being too cold to her or worries for them.
 
She fervently hates oni and similar monsters, and her demeanor can become rather aggressive, and scary around them.