Korean Grammar Dictionary

-ㄹ 게요 【정말, 잊어버리지 않을 게요 [ edit | delete | edit examples ]
종결 어미 Final ending/Dialect morphology/Substandard (종결 어미 Final ending/Dialect morphology/Substandard)
『 』
As abbreviation (and perhaps dialect/substandard) for -(으)ㄹ 것이요: will likely do or be.

정말, 잊어버리지 않을 게요 (삼포 27)
Really, I will never forget you.