[mangaupdates](https://www.mangaupdates.com/series/wgma8y8), [LINE Webtoon](https://www.webtoons.com/en/thriller/ar-toon/list?title_no=775). | Info | | | -------- | --------------- | | Authors | Horang, POGO | | Artists | Horang, POGO | | Genres | Horror, Mystery | | Type | Manhwa | | Year | 2016 | | Chapters | 1-3 | **Synopsis**: Unknown caller is an app-exclusive horror anthology with stories from renowned Korean creators who have been scaring audiences for years. These stories use augmented reality to unveil the creatures that haunt your home.