{
  den.aspects = {
    kirakira = {
      nixos = 
        { lib, ... }:
        {
          boot = {
            loader.systemd-boot.enable = true;
            loader.efi = {
              canTouchEfiVariables = true;
              efiSysMountPoint = "/boot";
            };
            kernel = {
              sysctl = {
                "net.ipv4.conf.all.forwarding" = lib.mkForce true;
                "net.ipv6.conf.all.forwarding" = lib.mkForce true;
              };
            };
            kernelModules = [
              "v4l2loopback"
            ];
          };
        };
      };
    };
}