“…Also, most of parent generation of contemporary Japanese high school students are 40's and 50's who can be categorized in two groups: ones who understand the mechanism and safety of the Internet well and master it, and the other ones who are not acquainted with. Numerous research studies on adolescent sexuality and sexual information have been reported in advanced countries including Europe and the United States (Strasburger, Wilson, & Jordan, 2009;Liliana Escobar-Chaves, Tortolero, Markham, Low, Eitel, & Thickstun, 2005;Bleakley, Hennessy, Fishbein, & Jordan, 2009;Stevens, Gilliard-Matthews, Dunaev, Todhunter-Reid, Brawner, & Stewart, 2017;Buhi, Daley, Fuhrmann, & Smith, 2009;Wartella, Rideout, Zupancic, Beaudoin-Ryan, & Lauricella, 2015). There are a few studies conducted in Japan but some reports that Japanese high school students nowadays acquire sexual information are not from parents, school teachers, and medical professions but from friends and Internet (Song et al, 2012).…”