Today (27th May) Bushiroad announced that their mobile Rhythm RPG, Symphogear XD Unlimited will be collaborating with TV anime series SSSS.Gridman later this month! The collaboration has been confirmed for 31st May.
An official collaboration site has already been launched with information on two collaboration characters. According to the official website, more collaboration details will be announced in the coming days.
▍Collaboration Character PV
■ Hibiki Tachibana (立花 響)
■ Tsubasa Kazanari (風鳴 翼)
▍Countdown Campaign
In addition to the character reveals, the official website also revealed a collaboration countdown event which will reward players with up to 200 singing stones.
▍Collaboration PV