When you dropped your pants, the dogs in the street barked, the cats meowed, and the birds took flight southward. Yes, your 'little brother' is that 'amazing.' Upon hearing that your sister was gathering with classmates at a friend's house, you visited the friend's place teeming with high school girls. Amidst your sister's shouts to go home, if you just slightly lift your pants—look, everyone is swooning and rushing towards you! Everyone is utterly infatuated with you, and your divine harem time has begun.