Zero no Tsukaima Season 2

Talent who was drawn into a different world has been looking for a way to return to the original world. Finally one day, he encountered a once-in-a-millennium opportunity to return to Japan. However, in order to save his master Louise who was in crisis, Caito decisively gave up this opportunity and stayed, and finally chose to live as a small-breasted familiar. Louise recognized Saito as her own familiar! ? Although he lived a life of being a dog and being served by a whip, Caito still accepted Louise's training and quietly enjoyed the sound of the whip. Once the taboo of Master Louise is touched, she will be severely punished. Will such peaceful days last forever...?