The Sound of Magic

Both dramas have a similar feel due to being fantasy based with the characters having inexplicable powers.

In The Sound of Magic the FL, who is unhappy due to unfortunate circumstances in her life, befriends a Magician who begins to teach her magic. Similarly, Moorim School revolves around a group of students who attended a mysterious school due to having mystical powers such as magic.

Both have a peculiar and reclusive older male lead that enters the female leads lives. They help eachother grow and overcome problems. Both shows also tackle inequality, bullying and student life.