Renji broke up with his mother when he was young, and the days he spent with his kind and beautiful mother were healing. One day, I received a letter from my mother. After 20 Years, My Son Lost Patience When I Reunited... I Hugged My Mother. "I'm sorry. If Renji forgives me, I will do anything for my mother..." These words turn Renji's love for his mother into a dark lust... Mother and son immersed in pleasure while panting on a hot spring trip to meet each other again for the first time in 20 years...