FilmHERO is a video subscription service. The subscription fee for this service is $29 per month (around 34,000 won).
It allows unlimited viewing of 4K resolution or higher videos shot with a RED digital cinema camera for only $29 per month. The codec can be selected from H.264, ProRes, and DNxHD, and depending on the material, video clips from various angles are included. Of course, you can choose whether to color grading or not.
Affordable and unlimited 4K video services include Storyblocks for $39 per month and Artgrid for $40 per month. Although there are pros and cons, it can be said that price competition is taking place over 4K materials. Related information can be found here.