Terrible story, one-dimensional characters, convoluted garbage battle system, hideous character design (especially the female blades), and a field skill mechanic in order to restrict the player to progress to the story which is objectively bad game design. Yeah, this game sucks.
The story is "deep" if you're a 16 year old edgelord loser like the game itself because this game is pretentious and full of it. Using themes and messages and contradicting it for cheap laughs. The gameplay is braindead.