Based on the hit indie rpg of the same name, Omori employs the tropes of video games, alternate worlds, and even psychological horror to explore how young people process tragedy, friendship, and forgiveness. 
Teenage Sunny, a nonverbal shut-in (or hikikomori) dealing with the death of his older sister, leaves the house for the first time in years when his old friend Kel appears suddenly on his doorstep. At the same time, Sunny's dream-world alter ego Omori embarks on a quest with Kel and their friends Aubrey and Hero to search for Basil, a missing member of their group. Together the party must navigate the perils of this strange world, as well as their complicated feelings and repressed memories, to move forward and find what they've lost...!