Obviously the major objective of Trinity Seven is to provide harem-themed fan service. That is what pays the bills.
However, I am glad to see that it is hinting at some kind of philosophy of magic.
Perhaps they will suggest that magic relates to the repressed or unconscious aspects of the self, somewhat like Jung’s “shadow.”
There is no attempt at plausibility, there are no logical premises for the fictional speculation, it just dumps the viewer into a bunch of stereotypes.
Trinity Seven is absolutely trashy wish-fulfillment.
I plan to watch every episode.
The ending credits flash the Latin names for the Seven Deadly Sins. Obviously the one girl wearing lingerie and short-shorts is supposed to be Lust, but I wonder which one the redhead is supposed to be – Pride or Wrath? And the emotionless girl in the bath is probably Sloth.