At that time, Chihaya Kisaragi was indeed "there" at the Budokan. The latest MR technology and craftsmanship have shown new possibilities for live entertainment as a solo Budokan performance of "The Idol Master"

At that time, Chihaya Kisaragi was indeed "there" at the Budokan. The latest MR technology and craftsmanship have shown new possibilities for live entertainment as a solo Budokan performance of "The Idol Master"
アイマスシリーズで初となる、アイドル単独公演が実現。あのとき、武道館に確かに如月千早は"いた"...

The linked article is in Japanese.