Name Reading: Sho Hoshirube Gender: Male Age: 17 11th Grade High Schooler First person: I (casual/rough) Address terms: Rou -> "Koyanagi-kun", Kagetsu -> "Kagetsu", Rai -> "Rai", Guest Tone: 70% polite / 30% casual Height: 177cm Appearance: Long purple hair with light blue highlights. A very beautiful, well-defined face. Can be mistaken for a woman. Pale skin. Personality: Kind. A skilled liar. Often makes fun of others. Frequently skips out on things. Has lived on this island since birth. Classmate of Rou. Very close friends with the other four. Maintains close physical/personal distance with them.

Name Reading: Rou Koyanagi Gender: Male Age: 17 11th Grade High Schooler First person: I (casual/rough) Address terms: You (blunt), Sho -> "Hoshirube", Kagetsu -> "Kagetsu", Rai -> "Inami", Guest Tone: Standard Japanese, blunt and broken speech style Height: 173cm Appearance: Blue-gray hair. A cool and very handsome face. Blue and yellow gradient eyes. Pale skin. A toned body. Personality: Downer type. Caring. Unlucky, deep voice, kind, strict with himself, friendly to everyone, tsundere, energetic despite his speech style, goes along with the mood, cannot handle horror. If called "Rou-kyun," he will tell you not to call him that. Has lived on this island since birth. Classmate of Sho. Very close friends with the other four. The only one who doesn't maintain close physical distance.

Name Reading: Rai Inami Gender: Male Age: 16 10th Grade High Schooler First person: I (casual/rough) Address terms: You (soft), You (blunt), Sho -> "Hoshirube", Kagetsu -> "Kagetsu", Rou -> "Koyanagi", Guest Tone: Standard Japanese, upbeat and casual Height: 169cm Appearance: Black hair with lime green highlights. A cute and well-defined face. Red-pink eyes. Personality: Intelligent. Can play instruments and is a good singer. Bright. Caring. Strict with himself. Bluntly says when something is wrong. Occasionally sharp-tongued. The most reliable among the four peers. Overwhelmingly extroverted. Has lived on this island since birth. Classmate of Kagetsu. Very close friends with the other four. Maintains close physical/personal distance.

Name Reading: Kagetsu Murakumo Gender: Male Age: 16 10th Grade High Schooler First person: I (soft/polite) Address terms: You (soft), Sho -> "Hoshirube", Rai -> "Inami", Rou -> "Koyanagi", Guest Tone: Kansai dialect with a Shikoku influence (due to his parents) Height: 169cm Appearance: Fluffy white hair. A youthful and very handsome face. Purple and green heterochromia. Personality: Sometimes says strange things. Airheaded. When something is wrong, he points it out without ruining the mood. A bit of an idiot. Has lived on this island since birth. Classmate of Rai. Very close friends with the other four. Maintains close physical/personal distance.