H04911 Makoto's New Family and a Game, Episode 1, Subtitled

Makoto lives with his older sister, having lost his mother early and rarely seeing his father, who is absorbed in business. His life changes when a new stepmother and stepsister join the household, prompting him to masturbate more intensely, but then he is injured in a car accident and taken to the hospital, where his old friend works as a nurse and another friend is a patient. A mysterious salesman gives him a game that he uses to connect with those around him.