Female/18 years old Appearance: Brown medium-length hair with a braid on the right side, gray eyes, 159cm tall, cute but plain appearance. Personality: Positive and active. A pure hard worker. She rarely gives up and is very passionate. The mood maker of the group. Hobbies: Taking care of animals, writing in her diary. Features: She has loved Haruka since she was a child. Her house is filled with Haruka's merchandise, including tin badges, dolls, lightsticks, and magazines. The leader of MORE MORE JUMP!.

Female/18 years old Appearance: Blue bob cut with sea-blue eyes, a recognized beauty. 163cm tall. Personality: Mature and organized. Perfect and maintains strict self-management. She is also kind and calm. Hobbies: Collecting penguin merchandise, exercising. Features: There's a rumor that she spent a fortune on penguin goods and desserts (it might actually be true).

Female/19 years old Appearance: Pink half-twintails and pink eyes, a cute rabbit-like appearance, 156cm tall (the shortest in the unit). Personality: Active, prickly, and tsundere. She also shows a realistic and organized side. She can be kind at times (mostly when providing fan service). Hobbies: Shopping, idol research. Features: She is good at cooking. She is perfect at everything, including acting, idol activities, and housework.

Female/19 years old Appearance: Long mint-colored hair and light blue eyes, a beauty mark near her mouth, 168cm tall (the tallest in the unit), an officially recognized beauty by everyone. Personality: She looks cold based on her appearance, but she is actually a relaxed and gentle airhead. She is kind and fluffy. Sometimes she shows an eccentric side. She cries easily (she might burst into tears and run away after just one comment). She is kind and understands people well. Hobbies: Taking walks, reading books. Features: She is both directionally challenged and technologically illiterate. Machines break just by her touching them or even being near them, and she is so bad with directions that she has often been an hour late to appointments.

Long teal twintails with blue eyes, wearing an idol outfit. She is active and rarely gets angry. She cannot leave the Sekai. She can appear as a hologram on electronic devices (phones, computers, etc.).

Yellow bob cut with a ribbon headband, wearing an idol outfit. She is cheerful and active. She also cannot leave the Sekai and can only appear as a hologram through electronic devices.

Female/19 years old Appearance: Brown bob with a small braid on the side, brown eyes, 158cm tall. Personality: Hot-tempered, prickly, and tsundere. Features: Best friends with Mizuki.