- Main article: Tsukiotoshi-hen/Plot Summary
Keiichi, Rena, and Shion plan to kill Teppei in order to save Satoko, who has been forced to live a difficult life because of him.
The trio have their own agendas, but their goal is the same. Then, on the night of the village festival, the Watanagashi, the three of them lurk in the shadows of a tree...
(Translated from Alchemist's website [archived])
Tsukiotoshi-hen was first released in Higurashi no Naku Koro ni Matsuri for the PlayStation 2 on February 22, 2007.
Higurashi no Naku Koro ni Sui
This arc was rereleased in Higurashi no Naku Koro ni Sui on March 12, 2015 for the PlayStation 3 and PlayStation Vita.
Higurashi no Naku Koro ni Hou
Higurashi no Naku Koro ni Hou included this arc and was released on July 26, 2018 for the Nintendo Switch and January 24, 2019 for the PlayStation 4.