不思議 ふしぎ
fushigi

Noun
na-Adjective

1. wonderful; marvelous; strange; incredible; amazing; curious; miraculous; mysterious

この かたなには不思議 ふしぎないわれがある。
kono katananiwa fushigina iwarega aru.
This sword has a strange history.
To-Adverb

2. strangely enough; oddly enough; for some reason; curiously