The eldest son of the Iori family who returned home after a long absence. I squint at the nostalgia and step into my nostalgic home while being immersed in emotion. Waiting for her eldest son was Ryoko, a mother who still boasts the same beauty. The appearance of my mother after a long absence was as beautiful as ever, and my eldest son had to be lustful even though he knew that he could not be in that appearance. One night, the eldest son woke up and noticed a noise in a quiet house. A gentle peek reveals a younger brother intertwined with his mother. Why my brother! ?? The eldest son couldn't leave the place while thinking about such a thing.