MIDE-079 The mischievous younger brother

The exclusive MDZ actress, famous for her peak performance 'Nishikawa Yui,' tackles all men's sexual troubles! Premature ejaculation, chastity, phimosis, and the insecurities that many Japanese boys face will be challenged! Yui herself is also experiencing intercourse with a virgin for the first time, and she smiles as she embraces the unfolding events, as if addressing the concerns of the director! 'If you encounter problems, can you leave everything to Yui?'