Because title assets are stored locally on every player’s installation, the game renders whatever title your client broadcasts. The only exception is if the title was from a limited-time mode that another player’s game files no longer contain (rare).

While there was a popular collaboration event in early 2025, there is no official "Miku Client" that legitimately unlocks all player titles. Be very cautious with third-party software claiming to "Unlock All" items or titles, as these tools often carry significant security and account risks. ⚠️ Risks of "Unlock All" Clients

Many sites offering "free hacks" like the Miku Client may bundle the software with malicious files.