Appearances
Frequently asked questions
What is Yui Yajin's name in other languages?
Yui Yajin is also known as Sovereign King.
Yui Yajin is also known as Sovereign King.
Yui, the first person who knows that Kei is female. He's the reason Kei's in the school in the first place as he was the one to give the idea to Kei's mother. Yui is highly manipulative which is shown in the story he told Kousuke.