One of the easiest Hidden Stories to find in Lost Ark is To Be A Human. You can find this story on the Arthentine Continent in the Nebelhorn area. You can easily complete it as you travel through the continent because it's right next to a waypoint.
Where is To Be A Human Hidden Story?
Upon reaching Nebelhorn's center waypoint, you can find this story. It will be in Nebelhorn Lab, north of Twilight Hill and south of Heart of Sceptrum.
Once you've reached the waypoint, head northwest until you reach the stairs. Ascend the stairs and enter the corner on the southeast side of the platform.
Investigate the papers on the ground to uncover this hidden story. The spot is marked on the map above. It will tell the story of a sad robot.
Once you reach the middle waypoint, there's really no reason to wait to get this Hidden story. If you prefer, you can always do this later, since it's only a few steps away from the waypoint.