
Rika Furude ( 古手 梨花, Furude Rika) Voiced by: Yukari Tamura (Japanese) Rebecca Forstadt (2006 anime), Apphia Yu (2020 anime) (English) Played by: Aika (film), Hinata Honma (TV series) One of Keiichi's friends and the main protagonist of both the fourth and final "question" arc and all the "answer" arcs, as well as the ultimately true main protagonist of the entire series. It is later revealed in the story that before arriving there, he grew weary of school, due to his ostracism from having a genius level intelligence, and was the perpetrator of a series of crimes involving shooting children with a BB gun to cope with his immense stress which ended after he accidentally shot a young girl in an eye. Before fighting, he wields Satoshi's old baseball bat.

Eventually, he is even able to recall some of the events of the past repetitions.

Early in the story, in the Onikakushi-hen arc, he is affected by paranoia after hearing about a dam mutilation murder case and Oyashiro's curse which driven him to murder Rena and Mion who are trying to help him and dies from clawing his own neck inside a phone booth, but the inner strength and unshaken belief in his friends he acquires in the other arcs are one of the keys to solve the case. His charisma and remarkable talent for rhetoric, which earns him the nickname "Magician of Words," allow him to easily make new friends and become popular in the village, not to mention winning some club activities. The son of a famous artist, his family recently moved to Hinamizawa after a violent incident event involving him in their hometown.

Keiichi Maebara ( 前原 圭一, Maebara Keiichi ) Voiced by: Sōichirō Hoshi (Japanese) Grant George (2006 anime), Khoi Dao (2020 anime) (English) Played by: Gōki Maeda (film), Yu Inaba (TV series) The main male protagonist of the first three "question" arcs. Higurashi no Naku Koro ni Kai main characters as seen in the anime adaptation (from left to right):
