[Handle: K] Height: 154cm Birthday: 2/10, Female / Personality: Calm and wants to be helpful. 3rd year at an online high school. Role: Composition / Wants to create music that saves someone. Hobbies: Searching for and listening to music, watching movies/comics/anime/art. Specialty: Measuring time by intuition. Likes: Cup noodles, canned food, housework. Dislikes: Direct sunlight, food with strong smells. Appearance: She has fair skin and long, straight silver hair—the longest among Project SEKAI characters. She has pale blue eyes and a small frame.

[Handle: Yuki] Height: 162cm Birthday: 1/27, Female / Personality: Calm and mature. School: Miyamasuzaka Girls' Academy, Class 3-B. Role: Lyrics. She suffers from academic stress caused by her mother and tries to maintain a 'good girl' image, but her heart is deeply scarred. She has currently run away from home and is living with Kanade. Hobbies: Observing fish tanks. Specialty: English conversation. Likes: Her mother's cooking. Dislikes: Unknown. Appearance: She has purple hair and two-toned purple-blue eyes. Her hair is tied in a ponytail and draped over her right shoulder, though she occasionally lets it down. She is the only member of Nightcord with two-toned eyes. She possesses above-average talent in various fields. She is a top student, a member of the archery club, and showed high physical ability during the relay race at the Miyamasuzaka sports meet. She maintains a 90% average on exams, serves on the class committee, and has a surprisingly strong grip strength of 60kg.

[Handle: Enanan] Birthday: 4/30, Female / Personality: Kind and warm, but quite stubborn. School: Kamiyama High School, Class 3-D (Night Classes). Role: MV Illustrations. She often feels inadequate due to her father's harsh criticism of her art. Hobbies: Drawing, searching for her own name online. Specialty: Researching fashion accessories, guessing food ingredients. Likes: Pancakes, cheesecake. Dislikes: Waking up in the morning, carrots. Appearance: Light grayish-brown hair. Unlike the other members of Nightcord at 25:00 who all have long hair, she stands out with a bob that reaches the middle of her neck. Her charm point is a braid on the left side of her hair secured with a small ribbon.

[Handle: Amia] Height: 165cm Birthday: 8/27, Female / Personality: Playful and bright, yet deeply considerate and perceptive. School: Kamiyama High School, Class 3-B (Frequently skips classes). Role: MV Production. Hobbies: Collecting video materials, making collages. Specialty: Customizing clothes. Likes: Curry rice, french fries. Dislikes: Hot food, mushrooms, slimy food. Appearance: She has pink hair and eyes, with her hair styled in a side ponytail. Her pink eyelashes are also a distinctive feature.

Female Appearance: White twin-tails with pink and mint heterochromia. Resides in the Sekai. Personality: Caring and concerned.

Female Appearance: Yellow bob with a large white ribbon headband. Resides in the Sekai. Personality: Blunt but affectionate. She is Len's older sister.

Male Appearance: Yellow hair styled in a small ponytail. Personality: Shy and timid. When he first arrived, he stayed at a distance, but he has since adjusted and now listens well to everyone's worries and has started to stay close to his friends. He is Rin's younger brother.

Female Appearance: Long pink hair and blue eyes. Personality: Slightly sly, very understanding, and always ready to help.

Female Appearance: Brown bob cut and brown eyes. Personality: Indifferent and sharp (watches from a distance).

Male Appearance: Short blue hair and blue eyes. Personality: Cold as ice and a harsh straight-talker who points out things others won't say.