Tatsuya has a sex friend with Nobuko, a mature woman of 50 streets whom she met on dating sites. She had a physical relationship with Nobuko, and Tatsuya enjoyed having sex with Nobuko. today too, at nobuko's house, we started to admire each other's sexual desires from daytime. One day, she is blooming flowers in her friend Junpei and "Sefre Stories". "If you're going to be a Sefre, it's better to have a mature woman!" said Tatsuya, but...