Discipline

Both male protagonist in the story have sexual powers. They both have beautiful girls with big breasts. Both of them have very interesting stories and include weird fetishes. 

Both got a school theme with a rather ok story. Mejoku is more based on revenge but the feeling is very similar.  

Same producers. That means, they have the same art and animation. Both are great H anime. 

A school setting and mainly the protagonist having "fun" with the school's clubs and students. Individual and group sex. Both shows are fantastic! 

Both have bondage, big breasts, great art, physical abuse, and school scenes. 

Beautiful GIRLS WITH BIG BOOBS  

made by the same company, same general style of animation. both have intricate plots. bible black a little bit more so, discipline lacks both the magic and the occult.