The 4th installment of the popular series. This time, the long-awaited Ayano Kato, who is renowned for her slim ass, appears! Although she is good friends with the Hibihata duo, it seems that she is extremely embarrassed to have her anus closely examined. Hibiki Otsuki's long tongue drills into her anus, and Yui Hatano's amazing finger technique expands her anus... Ayano, who has begun to feel pleasure even deep inside her asshole, is sandwiched between the two women she loves... Her front and back holes are penetrated with a strap-on, and she climaxes while crying!