SEGA has taken a small break from Hatsune Mike Project Diva games over the years, with the last one coming out in 2017 with Hatsune Miku: Project DIVA Future Tone DX (a arcade port). It seems that SEGA is back with the announcement of Hatsune Miku: Project Diva Mega 39’s for the Nintendo Switch. SEGA promised that the game will come out early 2020 over in Japan.
The trailer confirms that the game will feature 101 songs (91 songs from Hatsune Miku x Sega project, including Mirari spinoff songs and 10 new songs for this game including the theme) are making into the game, over 300 costumes and full cast including: Rin/Len, Luka, Kaito, and Meiko.
If you own Hatsune Miku: Project Diva Future Tone and DX, you will be able to play all the new Mega 39’s songs via a DLC update that will hit in 2020.