You've acquired all titles.

Open 10 chests from hidden rooms.

Kept only one Underboss alive until "Yet Here We Are"

Killed all of the Racket Bosses

Max out Riku's level.

Flipped 16 Racket Bosses

Clear Riku's story mode.

Win 100 duels.

Collect all Character entries in the D Report.

Collect all Card Collection entries in D Report.

Attacked a Racket without killing any Enforcers

Killed 300 enemies via Takedowns

Killed 50 enemies using the Hartmann 7.62mm and wearing the Party Animal outfit