Have you ever desired to view a magical girl yuri from the PoV of the dark magical girl. While the dark magical girl has abilities to produce various instruments to create BDSM-esque situations to torture her opponents into an awakening? Perhaps, Mahou Shoujo Ni Akogarete might be your interest.
Subjective: Absolutely absurd, there's electrical prongs to shock Magia Baser's ally into falling for her. This take Mahou Shoujo from MS to S&M Sadism and masochism. If you think that's interesting combination then perhaps you can read a few chapters Mahou Shoujo Ni Akogarete to see if you'll enjoy this.