Mikasa's bond with Eren is undoubtedly her most important relationship, and one that defines Mikasa. For Eren's sake, Mikasa has expressed a variety of emotions such as compassion, concern, anger, embarrassment, sadness and tenderness.
A fugue is the most complex polyphonic musical form, involving imitation among the parts (called âvoicesâ whether they are vocal or instrumental).
In the most general sense, an invention is like a fugue in that it is a polyphonic composition for a fixed number of voices featuring a basic recurring theme (like a subject), counterpoint, episodes, a common set of transformations (e.g. inversion, augmentation, etc.), and the general artistic goals of creating a compelling narrative.