The iDOLM@STER Cinderella Girls: Spin-off!

The anime opens with an unexpected disruption at a wedding ceremony. Four unidentified girls abruptly appear and, for reasons unknown, make off with the bride. The bride, understandably confused by the sudden turn of events, finds herself in the middle of a dangerous situation. A mysterious "someone" immediately gives chase, determined to retrieve the bride. This pursuit escalates into a thrilling car chase, filled with high-speed action and perilous maneuvers. The chase culminates in a running gun battle, further intensifying the chaos and danger. Throughout the ordeal, the bride remains bewildered, caught in the crossfire of a conflict she doesn't understand, as the pursuer attempts to reclaim her. The motives of the girls and the pursuer remain unclear.