The smuggled drugs are then handed over to Chinese and Japanese dealers who further divide the drugs into smaller portions,” Toru Igarashi and Kenji Ogata wrote in the Asahi Shimbun. “Retail prices are determined by the purity and origin of the drug. Although the drugs are procured for about 15,000 yen a gram, the street value jumps to about 90,000 yen. The man said he has also carried out his illegal activities with individuals from Myanmar (Burma) with fake passports who approached him to sell illegal stimulants.