Her first solo concert. She is determined to make it the best concert ever! Wakaba Kusunoki, a manager at a VTuber agency, is devoted to supporting Erika Tsukimiya (Mirei Kisaragi), the talent they manage. A 15-second support ad plays on an outdoor screen in Shibuya. "My song transcends dimensions." Streaming problems, stagnant concurrent viewer numbers, and the teasing remarks of Mirei, who struggles to be honest about her feelings. Only 6 days remain until the concert. "Let's make this the best concert ever." This is the story of the 6 days leading up to VTuber Erika Tsukimiya's greatest concert. ...Or so it was supposed to be. [Limited Production Edition Contents] A 4-layer acrylic panel, an NFC acrylic keychain, and a photo card. [CERO Age Rating: Pending Review]