Girl group CSR (First Love) has prepared a meaningful gift to their fans in celebration of the fan club's official 1-year anniversary. 

The official fan club dedicated to CSR (First Love), called MAEUM, was created on November 17, 2022, during the group's 'Sequence : 17&' comeback showcase. 1 year later, as a gift to fans for a year full of memories together, CSR will be releasing their 1st digital single, "HBD To You (Midnight ver.)".

Earlier today, CSR revealed a special teaser clip for the new single, which will drop on November 26 at 6 PM KST. 

Meanwhile, CSR (First Love) is a 7-member group made up of Sua, Geumhee, Sihyeon, Seoyeon, Yuna, Duna and Yeham.