NTT docomo opens 50th anniversary plan of Yumi Matsutouya “Call me back” World by the metaverse “XR World” on September 21. Yumi Matsutouya releases 50th anniversary best album on October 4th.

She opens “Call me back” World as album release commemoration. “Call me back” World is the virtual space reproducing the music video of the new song “Call me back.”