Yamato's passion for art is discouraged by his affluent father, who deems it worthless, forcing him to abandon his dreams. However, his sister's fiancé presents him with an opportunity to create one final portrait, rekindling his artistic aspirations. In a separate tale, Narumi Imai, a graduate of the academy, finds himself in a mundane role as an errand boy for the FBI. His life takes a dramatic turn when he is assigned to babysit Keith Coburn, a man with a limited lifespan and a critical mission, prompting Narumi to embark on a perilous journey with him, ascending the Stairway to Heaven.
Origin
