'Tenshi.'
天使 : Tenshi tenshi
Angel in Japanese is "tenshi"More properly 天使As for fallen angel, as close as you can get is 'evil angel', which is 'akutenshi' - 悪天使Cute angel would be kawaii tenshi - 可愛い天使
Lonley angel would be "Ejiru-Sabishii"
Yami no tenshi means angel of darkness.
Maybe "tenshi no ai"
angel = tenshi justice = seiigida tenshi no seiigida? Maybe?
死の天使 (shi no tenshi) would mean "Angel of Death" in Japanese.
"Angel" is Tenshi hirigana = てんし kanji = 天使
天使の血 Tenshi no chi
Soul Angel from English translated to Japanese is ''魂エンジェル''
正義の天使 Seigi no tenshi