The name of the group derives from each member's nickname: Anna Suda (Sudanna, スダンナ), Yuzuna (Yuzu, ユズ) and Yurino (Yully, ユリー).
With Yuzuna being the vocalist and Yurino and Sudanna being rappers, this was the first time both of them would be vocally featured in any E-girls related group.
[7][8] Starting June 2017, the Japanese fashion magazine smart has been publishing a series titled #SYYB focusing on the unit.
[9] In 2018, the trio appeared as opening act of Sandaime J Soul Brothers members CrazyBoy and Hiroomi Tosaka's solo tours during July to December.
[15] On August 25 it was announced that the unit's new song "Magic Time" would be used as the ending theme for the anime Gundam Build Divers Re:Rise starting October 10.