Shoko and Maiko Ougi appear to be ordinary high‑school girls chasing graduation and leisure. Shii‑chan is the more serious one, while Mai‑chan embraces a carefree attitude. In reality, they are powerful exorcists of the Karura shrine, each wielding half the power—Shii‑chan sees spirits, and Mai‑chan banishes them. The story is a spooky saga steeped in traditional Japanese occult themes, unfolding beneath moonlit streets.
