Chirper events are scenarios that can be viewed using Chirper system. There are different chirper feeds for each nation; all of which contain 'chirps' from all the local residents of that area. Sometimes, someone on the chirper feed has something important to say. They will be indicated by a red indicator which will initiate a cutscene.
Chirper events are usually just side skits that offer more details about the characters themselves and also just daily life or random events. Some chirper events increase character affection for Lily Rank or even offer new skills. However, there are some chirper events that influence the Conquest Ending.