J-kun
A J-kun is someone who will go to any extreme to make others happy, even if it means their brain explodes. They also have a thing for musicals and will sing every lyric with all their heart.
She sang the whole of Beauty and the Beast in the middle of a class and got sent to the principal's office.
He tried to cheer me up by singing a musical in the park. I cried.
He listened to a musical for 12 hours and now he can't stop talking about it.