Kei inherited a significant amount after his elder brother's death. Upon receiving his brother's tablet from his mother, Kei stumbled upon pictures that revealed the intimate relationship between his brother and Akinari, a former schoolmate and close companion. This discovery ignited memories of both individuals, who were distinct from each other. Wanting to confront Akinari about their association, Kei met with him and rediscovered their friendship, which further evolved into something beyond admiration. Nevertheless, Kei acknowledged that his brother's presence will always linger in his life as a ghost.
