*NOTE: Recommended Level: 34
Obtained: When Mamori reaches Stage Rank 3, you will receive a Topic from her. Head on over to Daitama and speak to Mamori.
After a cutscene, Maiko will send you a Topic. Agree to watch over Mamori then Mamori will head to Bloom Palace. As you make your way there, you’ll receive a Topic from her with information on a Mirage she wants to defeat. Afterwards, enter the Idolasphere in Daitou TV Station. Tiki tracked down Sir Lorenz to the middle area between the two sets. Head there to confront the Mirage who is level 40. After you defeat Lorenz, a cutscene will ensue and Mamori will unlock a new Radiant Skill called “Door of Courage”. Travel to Bloom Palace to complete the side story.