Return of Batman/Yoshi/Majin Buu/Seto

In this sequel, Seto comes back from his two years of falling off the face of the Earth in his junior year of high school. However, not everything is Temmie Flakes and rainbows here. Someone is hunting down the sorcerer for his power. He will need the help of his friends to save himself and the tri-state area from destruction! Okay, that's a bit hopeful, it's probably the whole world.