Btooom! Vol. 25 (manga)

The battle between Tyrannos Japan and the players rages on dual fronts! As Perrier clashes with Tomie for command over the game, the Queen's elite combat unit bears down on Iida and Ryouta's stepfather, who struggle to maintain their hold on the control room. The players on the island are up against it too, sustaining a barrage from yet another type of drone with unique weaponry that yields major losses to their dwindling numbers. Regrouping afterward proves no easy task, especially when Ryouta squares off with his greatest rival and is left with agonizingly few choices...