If you want to buy this domain, you will have to wait until 9/9/2014, its last renewal is on 9/25/2013 according to information on whois.jprs.jp. This whois server first recorded domain on 9/10/1995. Domain belongs to JAPAN REGISTRY SERVICES CO., LTD.. If you transfer this domain, keep in mind all this data will reset. Older domains have more advantage than new ones.
One of the most important criterias about a website success, is Alexa rank. It is based on some statistical data collected by Alexa toolbar. This website is ranked 50852 on Alexa. The value increases while rank decreases.