rimuru tempest, fan art, tensei shitara slime datta ken, cute, highly detailed, professional digital painting, concept art, tensura illustration, unreal engine 5, manga, light novel, 8 k, black shirt, fur scarf, cinematic, by wlop, ilya kuvshinov, krenz cushart, art by greg rutkowski, pixiv art, taiki kawakami, yoshitaka amano 