There are some special festivities happening this month in SC as it's the 7th month during the 7th Anniversary.

Special missions will be available everyday of the month. Rewards will include 77 Feather Jewels each day.
https://twitter.com/imassc_official/status/1939700704589000864

From now until the 7th, they will be giving out free swimsuit select tickets each day that allow you to pick from a selection of 22 swimsuit P-SSR/P-SRs. Previous days' tickets can be collected in bulk from the 8th onwards and expire on August 31st.
https://twitter.com/imassc_official/status/1939700956301828113

Unrelated to the anniversary, but the free roll gachas will be running until August 20th for the Summer Campaign happenings.
https://twitter.com/imassc_official/status/1939565312107565440