GVG-542 - The friend's sister's crazy physical, teaching a lesson to her giant breasts

I almost lost my mind when I went to my friend's house. The place was luxurious, but my friend's sister 'Mao' had insane breasts. She looked elegant and pure, but her chest was lethal. Seizing the opportunity, Shota starts messing with her breasts all over the mansion. When he ends up staying the night, things escalate quickly, leading to a wild climax.