Blue Star are an organised supporter group associated with Kawasaki Frontale. The group has been part of the wider supporter leadership structure around the club and has worked alongside other organised groups in coordinating vocal support.
A supporter-group statement naming Blue Star together with Kawasaki Kazoku and Kenkon Ikki documents the group as part of the organised Frontale support scene. The profile is kept focused on its supporter role rather than making claims beyond the available public evidence.