It's the crossover battle that you never imagined wanting, as Himehina team up with the Game Club to take on an out-of-control Kerin!
is throw everything into the fire, 
including the attendees,
هو رمي كلّ شيء في المحرقة
،بما في ذلك الحاضرين
бросить всё в костёр, 
включая участников,