I've been dating my current girlfriend for two years. We live with mutual respect, and our physical compatibility is just fine. But the reason I can't take the plunge into marriage... is probably due to my deep-seated sadistic tendencies and petty self-esteem. With unresolved feelings, I went to her house to say hello, and her mother, Kaori, greeted me... While she was out, I confessed my uneasy feelings about marriage...