Riku, raised in a single-parent household, had been secretly infatuated with his friend's mother, Yuka. Over time, this admiration turned into romantic feelings. One day, he accidentally witnessed an act of lewdness and felt his sexual awakening, but didn't know how to release the tension, spending days in turmoil. Learning of his struggle, Yuka secretly guided him. Riku, experiencing these sensations for the first time, couldn't control his reason and ended up assaulting her. He thrust into her like a beast, making Yuka climax repeatedly until she could no longer hold back…
