Omori Cute Sticker features a titular character from an RPG developed and published by the indie studio Omocat. In the game story, the player controls a hikikomori boy named Sunny and his dream world alter-ego Omori. They explore both the real world and a dream world to overcome their fears and secrets. How they interact depends on choices made by the player, resulting in one of several endings. Prominently featuring concepts such as anxiety, depression, and trauma, the game has psychological horror elements.