First Astronomical Velocity

Fujimi Suzu is the leader and bassist of First Astronomical Velocity, the band of which Sonico is a member. Watanuki Fuuri is on the drums. They'll all be playing in one of their regular concerts. Suzu shows Sonico a costume she had rushed ordered so that Sonico could wear it in their next concert. Sonico is ecstatic, but the clothing has some problems...