Well, it depends on what point of view you have. InuYasha is a tragic based comedy. Mainly features extreme tragic memories deep inside characters' heart, especially the main character, Inuyasha, whose father (a full-fledged yokai) sacrificed for Inuyasha's mother. And also became a orphan after the mother died at a young age. Mistreated by both humanity and viewed as a prey between yokais, he believed it was his own fate and developed a personality that had never trusted a soul. As for the comedy plots, it features some sort of joyful movements, like the "sit" command. As it might relieve the sadness. After all, it seemed to be first and foremost designed for children to create a heroic character in their hearts.