Son・Yasuhiro saw it… Every night, his beautiful mother's crotch was open...！！It was the masturbation act of his mother that Yasuhiro had witnessed half a year ago. Since then, every night, he secretly watched from the shadows as his mother performed her masturbation ritual. Because he peeked at this scene every night, he began to feel sexual emotions towards his mother who was doing housework. And his mother, unable to suppress her growing libido with age… One incident triggered it, and she started masturbating while whispering his name. Seeing his mother's voluptuous body in such a state, Yasuhiro breathed heavily more than ever...
