A Rainy Day|A Little Nightmares Story

Y/N was being chased by an angry dog and not having a good time while Mono was board on a rainy day. He decided to bring a someone to his world. And it's Y/N. Mono must teach them about his world and and dodge many challenges and the worst one of all. His dad. He would be very disappointed in him if he found out he brought someone else to his world.