ALDN-511 Mother's first in-the-vagina ejaculation by her son, Tsukino Yurine

My wife and I live with my parents. Since my father was laid off, he's been drowning himself in alcohol. But my mother is still as devoted to him as ever. My wife often says to me, 'They really won't split up.' However, even she rejects our nightly activities and always goes to sleep early. One day, after days like that, I couldn't sleep and accidentally witnessed my parents having sex. My father finished quickly inside my mother and went out drinking despite it being late at night. Afterward, my mother said nothing and started comforting herself...