Kitsuki Kaagi

Kaagi was born into the Matsu family, but turned to the Kitsuki family after his father died of poisoning.

Through his investigations over the years, Kaagi became all too aware of the Lying Darkness. All the while, he compiled a journal of his experiences and findings. He eventually became aware that the Shadow was taking over his mind and body, so he dispatched his eta servant to carry his journal to the Kitsuki Daimyo. The servant was the last person to see Kaagi until his mysterious return years later.