Hello Charlotte: Childhood's End · published 5 Dec 2017, 13:06 UTC
Hello Charlotte EP3: Childhood's End, the final episode in the main story, will be released on 05/01/2018.
If you're new to the series, you can play the episodes in their release order:
EP1: itch.io EP2: Steam Delirium: itch.io
See you soon!