Groups (be it an idol unit, band or miscellaneous groups) featuring a member who was formerly part of WACK or first-generation BiS.

This only includes groups who had said member join after already leaving WACK.

For groups that a member was a part of before joining WACK, see Pre-WACK Groups.

See also Active After WACK, for individuals who remained in showbusiness after leaving WACK (including those who joined these groups, and members who persued solo careers).

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