Hack에 D2Coding(한글용) 섞어씁니다.

설정은 이래요.
;;
;;; straight is nill' macro ;; ;;;###autoload (defmacro use-feature (name &rest args) "Like use-package', but with straight-use-package-by-default' disabled." (declare (indent defun)) (use-package ,name
:straight nil
,@args))

(use-feature emacs
:custom
(face-font-rescale-alist '((".D2Coding." . 1.26)))
:init
(add-to-list 'default-frame-alist '(font . "Hack Nerd Font"))

(set-face-attribute 'default nil
:height 120
:family "Hack Nerd Font") ;; This will early init
(set-fontset-font "fontset-default" '(#x1100 . #xffdc)
'("D2Coding" . "iso10646-1"))
(set-fontset-font "fontset-default" '(#xe0bc . #xf66e)
'("D2Coding" . "iso10646-1")))

히익 Emacs!
잘 보니까 그냥 Hack 폰트가 아니라 Hack Nerd 폰트인 모양이군요.