The MC should have just had the dark guild move nearby so he can help. If they are literally all girls kicked out and shunned by family and society they deserve some happiness especially from a guy who isn't committing to anybody
Ahh, good things never last.
Frankly i'd switch some sex scenes out for more plot development. These cutesy dates they had in the middle of the story were my favourite part, pure life fuel. Its porn but for the soul.