JUQ-697 I'm a bullied boy whose mother was bullied by her classmate Yurine Tsukino

Yurine lives alone with her son while her husband is away on a long business trip. She worries about her son who tends to become a recluse, but one day, he brings his friend, Saji, over. Living in a single-parent household, he is starved for his mother's love, and he becomes attached to Yurine, to which she accepts. However, Saji, who desires sexual relations due to his twisted admiration for his mother, takes advantage of her kindness and approaches her. Yurine is violated violently like a monkey by his erect penis, which is so erect it curves. The mother's womb remembers the joy she had forgotten for a long time, and before she knows it...