A teen idol, Yui Saikawa, enlists Kimizuka and Natsunagi--who has taken up the mantle of legendary detective--to guard a priceless sapphire. In preparing for this, the two realize that more than just a precious jewel is at risk.
♬ We don't allow breakdowns
on the Nine-Star! ♬
♬ !لا نسمح بالأعطال على النجم التاسع ♬
Würg den Motor bloß nicht ab, Nine Star!
♬ ¡No permitimos rupturas
en el Nine-Star! ♬
Não permitiremos problemas
No Nove Estrelas!