Adult games and DVDs for sale in Tokyo. Some officials want to tighten restrictions on provocative depictions of young girls in magazines, DVDs and Web videos.Credit...Ko Sasaki for The New York Times TOKYO � In a manga comic book that is well known here, “My Wife Is an Elementary School Student,” a 24-year-old teacher marries a 12-year-old girl as part of a top-secret social experiment. There is
