In a daily ritual of dancing between life and death, Yuuki Nishi and Akira Itou navigate the precarious White Line Game, teetering on the edge of danger. Their chance encounter on this death-defying tightrope leads to a unique bond as they support each other's growth and progress through the game. Despite the thrill of their shared moments, Itou yearns for a deeper connection beyond their game sessions. Unexpectedly, a kiss from Nishi triggers a chain of events that tests their relationship, culminating in a dramatic act that leaves Itou with regret and Nishi with a longing for reconciliation. As they mend their fractured bond, their hazardous world transforms, paving the way for them to walk the white line together into an uncertain but intertwined future.