Protagonists, Etc.
The protagonists of the five Key franchises gather to discuss the hardships they face. It isn't easy being a hero surrounded by beautiful girls! No, really, you don't understand.
Aired 08/12/2021EP 9 - Protagonists, Etc.

2021
KAGINADO
Laughs and shenanigans are on the horizon in this crossover! Fan-favorite characters from Kanon, Air, Clannad, Little Busters!, Rewrite, and more start the school year together in a new world where anything is possible. With so much personality in one anime universe, every day feels like a new kind of dream.
(Source: Funimation)