This is great manga about a guy whos friend has been kidnaped by water demon... he sets to find them.The catch is, he never ages! whee It's a 7 volume series.
Annyone who know where I can download all 7 volumes or just 4th and 7th are requested to send the message.
more info http://www.mangaupdates.com/series.html?id=4562
ps. the all series is completly scanslated.