Mahou no Tenshi Creamy Mami: Eien no Once More (OVA, 1 episodes, AniDB)

Requested before Jun 2019

Two months after Creamy Mami`s final concert, rumors began to spread that Mami was making a come back, and if that wasn`t surprising enough, Tachibana starts a "Project M" and that seems to have something to do with Mami`s come back. As word of Mami`s concert reaches the public, Yuu dosen`t belive it. Yuu, Megumi, Toshio, Midori, Kidokoro make a plan to get to the bottom of it. Source: ANN