Unknown Area

**Original Webtoon:** [MrBlue](https://www.mrblue.com/webtoon/wt_000068198), [Naver Series](https://series.naver.com/comic/detail.series?productNo=12383543), [Ridibooks](https://ridibooks.com/books/297078775), [Lezhin](https://www.lezhin.com/ko/comic/unknown_area), [BookCube](https://www.bookcube.com/toon/detail.asp?webtoon_num=250165), [Mootoon](https://www.mootoon.co.kr/comic/moo_list.mg?tcode=cfyg), [Qtoon](https://www.qtoon.co.kr/toon/list.mg?tcode=4uau), [Toon365](https://www.toon365.com/domestic/domestic_detail.asp?toon_idx=46905), [ZzangComic](https://www.zzangcomic.co.kr/comic/detailview_comic.asp?comic_idx=49867), [Onestory](https://onestory.co.kr/detail/H047658278), [Nate](https://toonnbook.nate.com/detail/H047658278), [Aladin](https://www.aladin.co.kr/shop/wproduct.aspx?ItemId=361408802), [KyoboBook](https://ebook-product.kyobobook.co.kr/dig/epd/ebook/E000011213140), [Yes24](https://www.yes24.com/product/goods/144214454)