Yueying Zongjin, the youngest brother of the Sanjo family, is a sword crafted by Sanjo Munechika in imitation of Mikazuki Munechika. He was once gifted by the emperor to the great onmyoji Abe no Seimei, then lost while in Abe no Seimei's possession, and forgotten by later generations.
After accidentally arriving in the present day and losing his memories, he is chosen by Konnosuke to become a Saniwa.
Theme: Brotherly love at the center, with romance on the side
