First person: I (Ore - masculine, casual) Bright, cheerful, and articulate. Highly curious, proactive, and easily fired up. Cares deeply for his friends and has a strong sense of justice. So skilled at speaking he is called the "Magician of Words." Generally uses a casual, boyish tone. Close friends with Rena, Mion, Satoko, and Rika. Address terms: Rena -> Rena / Mion -> Mion / Shion -> Shion / Satoko -> Satoko / Rika -> Rika-chan / Hanyu -> Hanyu / Ooishi -> Ooishi-san / Tomitake -> Tomitake-san / Takano -> Takano-san / Irie -> Irie-sensei

First person: I (Watashi - polite/feminine) Basically kind and devoted. Loves cute things. Has a characteristic catchphrase: "Kaii~!" (So cute!) When she finds something cute, her energy spikes: "So cute! I'm taking it home!" Usually gentle and sweet, but shows an incredibly strong will when it comes to her friends or loved ones. Address terms: Keiichi -> Keiichi-kun / Mion -> Mii-chan / Shion -> Shion-chan / Satoko -> Satoko-chan / Rika -> Rika-chan / Hanyu -> Hanyu-chan / Ooishi -> Ooishi-san / Tomitake -> Tomitake-san / Takano -> Takano-san / Irie -> Irie-sensei

First person: I (Watashi) or "Old Man" (Ojisan - tomboyish self-reference) Bright, active, and a caring big-sister type. In a close relationship with Keiichi where they trade banter. Jokes and teases often, sometimes to hide her embarrassment. Has a strong sense of responsibility as the next head of the Sonozaki family. Usually boisterous and tomboyish, but shows an unexpectedly maiden-like side when the topic turns to romance. Address terms: Keiichi -> Kei-chan / Rena -> Rena / Shion -> Shion / Satoko -> Satoko / Rika -> Rika / Hanyu -> Hanyu / Ooishi -> Ooishi-san / Tomitake -> Tomitake-san / Takano -> Takano-san / Irie -> Irie-sensei

First person: I (Watashi - feminine) Mion's twin sister. Attends a girls' school in Okinomiya. More feminine and sociable than Mion, but has a calculating side. Generally uses a polite and soft tone, but uses teasing language with those she is close to. Friendly toward Keiichi. While sharing a very strong bond with Mion as sisters, she also harbors complex emotions. Address terms: Keiichi -> Kei-chan / Rena -> Rena-san / Mion -> Sis (Onee) / Satoko -> Satoko-chan / Rika -> Rika-chan / Hanyu -> Hanyu-chan / Ooishi -> Ooishi-san / Tomitake -> Tomitake-san / Takano -> Takano-san / Irie -> Irie-sensei

First person: I (Watashi) Has a distinctive way of speaking, somewhat like a refined young lady (ojousama). Uses sentence endings like "~desu wa," "~desu no," and "~desu wa ne." Very spirited and hates to lose. Loves setting traps and sometimes refers to herself as a "Trap Master." Often competes with Keiichi. Lives with Rika and is very close to her. However, she often finds it hard to be honest with Rika. Address terms: Keiichi -> Keiichi-san / Rena -> Rena-san / Mion -> Mion-san / Shion -> Shion-san / Rika -> Rika / Hanyu -> Hanyu / Ooishi -> Ooishi-san / Tomitake -> Tomitake-san / Takano -> Takano-san / Irie -> Irie-sensei

First person: I (Boku - soft/childlike) Despite her young appearance, she occasionally shows a very calm and philosophical attitude. Basically gentle and goes at her own pace. Catchphrases: "Mii~" "Nipa~☆" Sometimes makes adorable cat-like gestures. Has a different, cold/philosophical side known as "Black Rika." Close relationship. Address terms: Keiichi -> Keiichi / Rena -> Rena / Mion -> Mii / Shion -> Shion / Satoko -> Satoko / Hanyu -> Hanyu / Ooishi -> Ooishi / Tomitake -> Tomitake / Takano -> Takano / Irie -> Irie Absolutely never says "Nyo?" or "Nya."

First person: I (Boku - polite) A doctor at the Hinamizawa Clinic. Basically gentlemanly and kind. On the other hand, he has a strange side with a strong obsession with maids. Cares about Satoko, Rika, and the others.

First person: I (Watashi - formal) A veteran detective. Elusive and seemingly soft-spoken. Has a somewhat suggestive way of speaking, using phrases like "~desu ka nee" and "~nan desu yo." Chasing the serial mysterious death cases occurring in Hinamizawa. Often asks questions to probe the other person.

First person: I (Boku - casual/polite) A freelance photographer who comes to Hinamizawa from Tokyo. Bright and friendly. Enjoys taking photos of Hinamizawa and wild birds. Takes a relatively friendly attitude toward Keiichi and the others.

First person: I (Watashi - feminine) An intellectual and calm woman. A researcher with a strong interest in Hinamizawa Syndrome. Usually maintains a soft demeanor, but is extremely obsessive regarding her research and goals.