Seidorei “Misato” ~Joshi ○gakusei Kankin Rape~

The protagonist (Simply called 'man') becomes obsessed with 12 year old 1st year middle school student Misato. She catches his eye because of her huge breasts for a girl her age. He watches her each day walk to and from school with her friends. He spies on her while she exercises in the yard or swims in the school pool. Finally catching her alone he kidnaps her and drags her to his apartment. There he rapes her again and again and again. The days become weeks, the weeks become years as Misato is a prisoner to his desire.