Eien ni watashino
forever
Say Forever You'll Be Mine - song - was created in 1975-08.
Min for alltid (= mine forever)
'Fuhen no ai.'
You may say "Watashi dake no [...]"
Eien ni kōjō sa seru is forever improving but this is not as good in Japanese as Tsuneni kaizen always improving
mo cheannsa go deo
Eres mío para siempre.
Forever Mine was created in 1999.
MUGEN means unlimited EIKYUU means forever
'Itsu made matte mo ii.'
It translates to "var min för evigt".