As 7th LIVE TOUR 螺旋 -Halo around- “The origin on the axes” has been announced, the goods are now available for orders.
These include the usual types of merch for idols/units as well as memorial accessories including bracelets for each unit.

https://shop.asobistore.jp/feature/sc7th_rasen

https://twitter.com/shinyc_official/status/1941815976498176200
https://twitter.com/shinyc_official/status/1941816211505090727

https://idolmaster-official.jp/news/01_16086
https://twitter.com/imas_official/status/1941814896469197005