地獄楽 10 [Jigokuraku 10] by Yūji Kaku

The tenth volume deepens the island’s dangers as the protagonists press further into lethal territory, facing increasingly ruthless immortals and unraveling darker secrets about the place they must conquer; amid brutal, tightly choreographed battles old traumas and moral conflicts surface, alliances are tested and strained, and the protagonists’ motivations and vulnerabilities are probed more closely, leaving the group changed and the stakes raised as the story moves toward its next, more perilous stage.

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