A couple in their 20s were arrested Tuesday on suspicion of disposing of the body of an 18-year-old Tokyo high school girl in Yamanashi Prefecture near the capital after she went missing over the weekend, police said.Shohei Komori, 27, and his wife Izumi, 28, who live in Gunma Prefecture, have admitted to dumping the body of Kana Washino, the Tokyo police said. The couple also said they killed the girl in a storage shed, according to investigative sources.Komori said he had become acquainted with Washino about two years ago through Twitter, and that his wife became jealous after finding out…READ FULL ARTICLE