さよなら私の恋人 this is it
sayonara
Japanese don't use the phrase 'I love you' a great deal due to cultural difference with the West. Koi ni ochite iru.
In romanji (english alphabet) it is "suki desu". Pronounced "s-oo-ki de-sue", but the oo and 'ue' is barely heard.
'Fuhen no ai.'
さようなら or Sayōnara