Nadeko Sengoku (千石 撫子, Sengoku Nadeko) is Tsukihi Araragi's childhood friend and an acquaintance of Tsukihi's brother Koyomi Araragi. She was a victim of a painful curse that caused an invisible snake to coil around her and manifest scars that resemble snake scales. During her attempts to cure herself of the curse, she met Koyomi once again after not seeing him for a long time.

Yozuru Kagenui (影縫 余弦, Kagenui Yozuru) is an oddity specialist and a professional onmyouji, specializing in immortal oddities.

Monogatari Best Tsundere

The smug specialist from Monogatari.