You turned into a Jam and stored in limited space !!! Use A D to move, W and Space to jump and R to reset. Remember, the more you jump, the more limit the space become. Jump wisely because if not, you will start all over again
Made for Charcool's Punny Game Jam Music: Otherside by Leina Raine. You can wait until Minecraft 1.18 release to listen to the original !