Ryōta Sakamoto held the tenth position globally in Btooom!, a brutal online game where participants eliminated each other using explosive devices. Following one particular match, he inexplicably awakens to find himself in a tangible, real-w…

The typical high school girl found herself adrift, abandoned by those she considered close, and then thrust into the brutal reality of Btooom!, a pawn in a deadly game. Betrayal came from every direction – from those around her, and most sh…

In pursuit of the enigmatic girl, Ryota encountered Taira Kiyoshi, who offered glimpses into the gaps of his recollection.

Kira Kosuke is a troubled child, and on the island, his darker impulses are unleashed, unrestrained. This continues until he encounters the most skilled Btooom! player in all of Japan.

As Taira and Sakamoto ate their midday meal, a body, unclothed and adrift, floated past. Sakamoto, intrigued, excused himself to investigate. He discovered a horrifying tableau: a gruesome scene and a figure he knew.

As danger closed in, fissures appeared in the fragile trust between Taira and Sakamoto. Sakamoto’s instinct was to protect them all, a fierce impulse that extended even to the woman who had moments before sought his life.

Miyamoto, the mercenary, has located Sakamoto and his group. This formidable figure is driven by an unwavering ambition to prevail, and will pursue victory with ruthless determination.

Seeking respite for the night, Sakamoto and Himiko both struggle toward sleep. Himiko is consumed by the weighty consideration of revealing her true nature to Sakamoto, yet before she can find the courage, an unexpected visitor arrives – a …

A newcomer has joined Sakamoto’s team, though he bears a hidden burden. Before the team could delve into the new recruit's history, an aerial food drop draws many players from their shelters.

A subtle web binds the inhabitants of the island, a connection deeper than mere proximity. As Sakamoto considers this fresh insight, the physician initiates the final stage of his plan.

Now that Ryouta is incapacitated, Himiko will fall easily into Date's grasp, but Shiki intends a different fate for the doctor.

Taira has become unhinged, lashing out at those he considers friends. Ryouta, who has always sought to avoid conflict, faces the grim possibility that he can no longer do so.