Bocchama Wa Ijiwaruぼっちゃまはイジワル; 少爺的女仆; Bocchama ha Ijiwaru; Cruel Master; My Master is Nasty

Rich young Master comes across a girl alone and abandoned during Christmas. He decides to take her in and name her "Mike". Now he's in highschool and she's his personal maid. Did I mention she now loves him and he's rather sadistic with a terrible panty fetish? A very hilarious smutty story.