Starting this year, the third Sunday of June has become the annual "Brother's Day"! What the brother says is absolute! On this special day, no matter what kind of brother he is, he can have sex with his sister as he pleases! Even in front of their parents, it doesn't matter at all! Even the sister who's always arguing and has a terrible relationship with her brother must gratefully obey all his commands on this day! HUNTC-533

Starting this year, the third Sunday of June has become the annual "Brother's Day"! Even the usually quarrelsome and strained sister must gratefully obey her brother's every command on this day! So, naturally, he can have sex with her as he pleases! Even if caught by their parents, instead of being scolded, they'll be praised: "What a considerate sister!" This is definitely the perfect day to vent all the resentment towards his sister! All the pent-up pressure towards his sister can be released into her vagina on this one day of the year! Because on this special day, no one can defy the brother; he's practically a king. Brother's Day is supreme!