Azusa, who started living with her daughter and son-in-law, gradually began spending more time with her son-in-law, as both her husband and daughter were busy. One night, while the two of them were drinking together, Azusa was attacked by her son-in-law, and from then on, he started to target her big breasts everywhere. At first, Azusa resisted, but before long, it became an irreplaceable stimulation...