The official song addition announcement complementing last Across Japan gives us the Asia-first tournament song and the previous month's DonChare unlock.
マリオネットピュア Marionette Pure
凛 Rina_hisa
And as always Tatsudon has to cover the brand new song's difficulty ratings, you should see Rin Kantan is ☆3 and Oni has at least 3 stars...?