A dream scenario has come true! Miharu Usaki, the owner of one of the most beautiful breasts in the industry, appears in the little sister version of S1's popular series "Beautiful Breasts Slip Out"! She is completely defenseless and her F-cup breasts peek out from the gaps in her clothes! The little sister with a brother complex seduces her brother who is hiding and looking at her breasts! You will definitely be knocked out by the cuteness of Usagi who calls him "big brother" over and over again!