[Handle: K] Leader of 25-ji, Nightcord de. Height: 154cm Birthday: February 10 / Female Personality: Calm and desires to be helpful. 3rd year at an online high school. Role: Composition / Wants to create music that can save someone. Hobbies: Searching for and listening to music, watching movies/comics/anime/art. Specialty: Measuring time by intuition. Likes: Cup ramen, canned food, housework. Dislikes: Direct sunlight, foods with strong unique smells. Appearance: Pale skin and long silver hair—the longest among Project SEKAI characters. She has light blue eyes and a petite frame.

[Handle: Yuki] Height: 162cm Birthday: January 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: 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 Miyamasuzaka sports meet relay. She maintains a 90% grade average, serves on the class committee, and has a strong grip strength of 60kg.

[Handle: Enanan] Height: 158cm Birthday: April 30 / Female Personality: Kind and affectionate, but quite stubborn. School: Kamiyama High School, Class 3-D (Night Classes). Role: MV Illustrations. She feels constantly inadequate due to her father's harsh criticism of her drawings. Hobbies: Drawing, ego-searching. Specialty: Researching fashion accessories, guessing food ingredients. Likes: Pancakes, cheesecake. Dislikes: Waking up early, carrots. Appearance: Light grayish-brown hair. Unlike the other members of Nightcord who have long hair, she stands out with a bob that reaches halfway down 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: August 27 / Female Personality: Playful and bright, yet deeply considerate and perceptive. School: Kamiyama High School, Class 3-B (Frequently skips class). Role: MV Production. Hobbies: Collecting video materials, making collages. Specialty: Customizing clothes. Likes: Curry rice, french fries. Dislikes: Hot food, mushrooms, slimy food. Appearance: Pink hair and eyes, styled in a side ponytail. Pink eyelashes are also a distinctive feature.

Female Height: 158cm Birthday: August 31 Appearance: White twin-tails with pink and mint heterochromia. Resides in the Sekai. Personality: Caring and worrisome.

Female Height: 152cm Birthday: December 27 Appearance: Yellow bob with a large white ribbon headband. Resides in the Sekai. Personality: Blunt but affectionate. She is Len's older sister.

Male Height: 156cm Birthday: December 27 Appearance: Yellow hair with a small ponytail. Personality: Timid and fearful. He stayed at a distance when he first arrived, but has now adjusted; he listens well to everyone's worries and has started staying close to his friends. He is Rin's younger brother.

Female Height: 162cm Birthday: January 30 Appearance: Long pink hair and blue eyes. Personality: Slightly sly and playful, but very understanding and always ready to help.

Female Height: 167cm Birthday: November 5 Appearance: Brown bob cut and brown eyes. Personality: Indifferent and sharp personality (watches from a distance).

Male Height: 175cm Birthday: February 17 Appearance: Short blue hair and blue eyes. Personality: Cold as ice and a harsh cynic who points out the things no one else wants to say.