Something happened to the cheerful cheerful Mario, he became gloomy and unsociable, quarreled with everyone. His eyes are bloodshot, and his bright clothes have changed to dark gray and black tones. Dinosaur Yoshi, his loyal friend, is very worried. He decided that the music should cure the hero and invited Brifrend and his Girlfriend. But Mario greeted them disgustingly. The guy was put in the basement, and the girl was tied up. But Yoshi took advantage of the musicians' equipment in Friday Night Funkin vs Mario Expurgation and is ready to sing with the plumber. Help the dinosaur if he defeats the evil Mario in Friday Night Funkin vs Mario Expurgation, perhaps the veil of evil will fall from him and he will return to his old self.