Talk:Mitsui Aika/@comment-2A02:C7D:5B6E:100:D44A:31F7:D632:1582-20170809084424/@comment-131168-20170809150523

I believe you're right. That's where the page for the concert says, and the old official discography page is a source to believe.

Though I do kind of like to imagine them renting out Saitama Super Arena for a simultaneous solo introduction event.