Birthdate: April 13, 1967

Maebara Keiichi is the main protagonist of the first 3 Higurashi Arcs, Onikakushi-hen, Watanagashi-hen, and Tatarigoroshi-hen. He is the son of a famous and extremely wealthy artist, and recently moved to Hinamizawa after an array of unfortunate and awful events in his hometown. As a charismatic, lively attitude, and his talented tongue allow him to quickly fit in the town and make new friends, and also win some club activities. When in need of a weapon, he wields Satoshi's old bat. Keiichi often receives the butt of the jokes in the club's activities from which he was the correct answer to some games they play, to wearing embarrassing costumes whenever he loses punishment games.

Keiichi has brown hair with dark blue eyes and is described as charismatic to others.

During his school days, he wears a red shirt under a white one, black pants, a belt and red shoes. However, during his free days, he wears a black sleeveless shirt under a red vest, green shorts with a blue belt and shoes.