mysteries of the realms

Andrew is just a normal boy who grew up with educational problems because of the death of his father and bullies. He remains normal until a 'psycho teacher' in his new school brings him to a whole new universe. He later discovered that his dad was also a student at the school there. After the discovery,he takes it as his mission to visit the various realms just to avenge the death of his father alongside his friends.

Also,one of his friends Kim has a destiny intertwined with his and both boys work together to solve the puzzle left by their fathers.