Mitsuha Miyamizu is a high school junior who speaks in a regional dialect. She is close with her childhood friends Taki Tachibana, Sayachin, and Tessie. Yotsuha and Grandma are her family. She is in love with Taki Tachibana.

A high school junior in the same grade as Mitsuha. She likes Tessie. She is close with Mitsuha Miyamizu, Taki Tachibana, Tessie, Yotsuha, and Grandma.

A high school junior and childhood friend of Mitsuha and the others. He likes the occult. He likes Sayachin. He is close with Mitsuha Miyamizu, Taki Tachibana, Sayachin, Yotsuha, and Grandma. He speaks with a regional drawl.

Mitsuha's younger sister. An energetic elementary school girl. She is close with Mitsuha Miyamizu, Taki Tachibana, Sayachin, Tessie, and Grandma. She speaks with a regional drawl.

Mitsuha's grandmother. A kind old woman who treats you to home-cooked meals when you visit the house. She is close with Taki Tachibana, Mitsuha Miyamizu, Sayachin, Tessie, and Yotsuha.