Can You Beat OCTOPATH TRAVELER II Without Attacking?

There are high chances during my free time I will farm up max stats on everyone to see if I can do this at level 50 to take down the final boss but as sits the run was not completable due to not enough damage/survivability, and adult responsibility.

MUSIC CREDITS:
All music used as background tracks that was not in game music is the product of ZUN, the sole maker of the TouHou franchise.