BEAT UP causes GROWTH stepbro

Description: Your new stepbro has finally arrived. excitement turns to fear as he begins to humiliate and dominate you. he tells you about a secret power of his, it going to be a secret to keep or else! he is going to put you in your place by beating you up, only when you’ve finally accepted your place beneath him after he knocks you down, will this transformation take place, a giant growth transformation, inflated by power. but what are his plans for you?