Outen no Mon

Heian period Japan. The Fujiwara family is plotting to seize power at the court, when a maid suddenly goes missing from the capital. The emperor fears that it is the work of a demon, and orders Ariwara no Narihira to work with young man. The boy's name is Sugawara no Michizane.

Sugawara no Michizane, a shut-in student, and Ariwara no Narihira, a Kyoto playboy, are twenty years apart in age. They are different in status and birth, yet work together to solve the mysteries of Kyoto!