User blog comment:Hitsuji Mamoru/Servant Creation Room 2 : Guess of the Who/@comment-30314236-20170331175442/@comment-30314236-20170401145732

I'll take those last two as valid. Although I put different names, it's basically that. Hitsuji unveiled his name, while Hikaru the NP.

True Name revealed: E Rank Luck Master. NP name: Yorokobe Shounen!: Unlimited Salt Works!