As advertised last week, the Arcaea x Groove Coaster collaboration event has landed, bring two Taiko-playable songs from Taito's music game series into new gaming fields: Scarlet Lance and ouroboros -twin stroke of the end- from the previous two years' Tenakichi Otogesai tourneys.
Watch out for their FUTURE charts-they're both rated quite high at a 9+ (out of 10!)