SWSG-001 Looting, Confinement, and Training Nana Usami

I happened to see my ex-girlfriend in town. Somehow I feel jealous when I see her talking happily with a man who seems to be her boyfriend who is prettier than before. One day, when I happened to pass by her apartment on business, a man entered her room. Maybe it's jealousy, but I can't control my emotions, so I invade the veranda and look into the room. My emotions run out of control, I push her down and devour her body like a lep. I've gone crazy...I just don't want to let you go...