Renshi parted with his mother at a young age, and the days spent with his kind and beautiful mother were healing. One day, he received a letter from his mother. The thread of his son's patience snapped after 20 years of reunion... He hugged his mother. 'I'm sorry. If Renshi can forgive me, Mom will do anything...' This single phrase turns Renshi's love for his mother into a dark desire... On a hot spring trip to reunite after 20 years, they moan with joy as they fall into pleasure together...
