You should contact the owner directly.
http://whois.domaintools.com/japanese.net
domain: japanese.net
created: 05-May-1997
last-changed: 20-Mar-2007
registration-expiration: 06-May-2008
nserver: ns55.1und1.de
nserver: ns56.1und1.de
status: CLIENT-TRANSFER-PROHIBITED
registrant-firstname: Renald
registrant-lastname: Otto
registrant-street1: Ostpreussendamm 152
registrant-pcode: 12207
registrant-city: Berlin
registrant-ccode: DE
registrant-phone: +49.1754956665
registrant-fax: +49.121251140960x3
registrant-email: