Sudden? What was the idiot talking about? He never used his title (er, the 'taiho' one, considering 'Enki' really was a title as much as his name...) unless he was being correct during very formal occasions or other such crap.

"That's not--- A deal?" Enki's eyes narrowed again and he frowned. Don't think you've gotten away Shōryū, but Enki assumed he could be indulgent. He'd get to the bottom soon enough.

But there were two faint flickers of worries; one, that Shōryū really was angry with him for some reason, but even then he never really used 'taiho', and two, that one of Shōryū's memories taken had been his name. But couldn't he just use Enki then?

... They better not have taken all of it, because he wasn't sure he could listen to Shōryū addressing him as 'Taiho' all the time. That was just wrong.