くれ can be substituted for ください when making a "desperate plea", or just being close to the person (or trying to "close the distance") for example in Overlord Season 2, Zaryus proposes to Crusch by saying 結婚してくれ [けっこんしてくれ] "marry me" without くれ it would be "get married" but くれ makes it a personal request, its not just "get married" but "get married [to me]" 7.1K views05:36
