Is Majoras Mask dark? I know, dumb question.

Very, but it tries to hide it. It's like, "HEY THERE! You, my friend, need to save the world! But first, side quest! Happy character! What, you want to know why you need to save the world and what from? Uh, SIDE QUEST! LOVABLE CHARACTER! Look, an adorable chicken! Hey, go tame this wild beast! Haha, what quirky enemies you have to fight! everyoneyouknowandlovewilldienotjustthembuteveryoneinnocentsguiltydoesntmattertheylldie Oh, look, a new sword!"