唯ゆい一いつ不ふ二じ

noun, noun which may take the genitive case particle 'no'

one and only; unique

Emphasizes absolute uniqueness; there is no second. Often used in formal or emphatic contexts.

• 彼かれは唯ゆい一いつ不ふ二じの存そん在ざいだ。

  He is a one-of-a-kind presence.

• この作さく品ひんは唯ゆい一いつ不ふ二じの価か値ちがある。

  This work has unique value.