Expanded storyline: Celia's diary, play through the events of Celia's past. Trigger condition: After defeating the minibus and having enough favorability, the game will prompt you to go to Celia's former residence to expand the story. Completion Rewards: 1. Completing the expansion story will give Celia a lot of ability points. 2. Open hidden mazes for players to challenge. 3. Obtain exclusive accessories for Celia. 4. Open new arena challenges.