The first series will focus on the Build a Demon Arc while the second will focus on the Deliver a Star Arc.
The game spawned the first two-cour anime series back in 2006 and it’s had multiple projects and games since then.
A good number of the various manga works have been picked up and released by Yen Press in English.
The summer 2021 anime adaptation of Higurashi – When They Cry has along with the previous cour shown that there’s still definitely a lot of interest in the property.