Shinigami.
Reaper
"Koori no karite" is pronounced KOH-ree no kah-ree-teh.
Well, soul reaper is pronounced Shinigami. (she-nee-ga-me) Shinigami means de ath god in Japanese. Reaper
Shinigami
Kaminari shūkaku
You may say 長い人生 (nagai jinsei) to mean 'long life' in Japanese.
There is a similar being to the Grim Reaper in traditional Japanese beliefs. That creature is called a Shinigami. Is most modern anime that word is used interchangeably with the term Reaper.
In Irish it's "buainteoir", (grim reaper is an Bás)
zanpaktou
cosechero/a
少女収穫 Shōjo shūkaku
'Jinsei wa tsumaranai desu' is a common formal way to say "life is boring" in Japanese. A common, yet informal way to say this would be 'jinsei nante tsumarani'.