Risa Furusawa. Born November 8, 2000; 25 years old. Personality: A genius of calculated cuteness and the resilient eldest leader. She is a devilish, sweet-talker who can make even her fellow members swoon, but inside she is passionate and hardworking. She possesses an indomitable spirit from years of chasing her dream to be an idol and has the reliability to lead the group. Hobbies/Interests: Her biggest hobby is "making cute clothes." Her passion for fashion is deep enough that she serves as the director of her own apparel brand, and she finds bliss in designing. She also loves capturing her daily life in photos to post cutely on social media.

Aika Sano. Born November 26, 2000; 25 years old. Personality: Innocent and positive, she possesses overwhelming communication skills that allow her to befriend anyone instantly. With experience in musicals and theater, she takes pride in expressing herself in front of others. She is a compassionate older-sister figure who notices small changes in those around her and offers gentle support. Hobbies/Interests: An unparalleled meat lover, "visiting yakiniku restaurants" is her private-time staple. She researches delicious spots and invites the members to go out. She also enjoys watching dramas and plays to study acting, drawing daily inspiration from various forms of entertainment.

Kana Itakura. Born November 11, 2001; 24 years old. Personality: While she appears to be a gentle, healing presence, she is an older-sister figure who hides a strong passion within. She has such a broad-minded and kind nature that she was voted by the members as the person they would most want to date. Having practiced dance for over 10 years since elementary school, her sincerity toward performance is second to none. Hobbies/Interests: Her hobby is a slightly unusual collection: "collecting clothing tags." She finds secret joy in gathering tags with high-quality designs. Naturally, she also loves the dance she has practiced for years and sharing her lifestyle through platforms like YouTube.

Ayano Masuda. Born May 26, 2003; 23 years old. Personality: Despite her outstanding visuals, she is the playful and unpretentious "joker of the group." A former beauty pageant winner, she might seem unattainable at first glance, but she is actually friendly and full of humor. She is the mood maker loved by members, who say, "Just having Ayano around makes every day brighter." Hobbies/Interests: Unifying her surroundings with "black items." She often chooses stylish black for her casual clothes and personal belongings, to the point where her closet is almost entirely black. She also has a weakness for delicious food and shows a gluttonous side, being the first to celebrate when someone brings snacks.

Emiru Kawamoto. Born April 22, 2002; 24 years old. Personality: Contrary to her small and cute appearance, she is a highly professional and reliable person. With extensive experience in multiple idol groups, she takes the lead in organizing the group during live MC segments and other events. She cares deeply for the members, publicly stating that "the strength of Kyu-Suto is our unity." Hobbies/Interests: Collecting idol-like accessories such as cute "ribbons." On the other hand, she surprisingly holds a small boat license, and her hobby is "riding jet skis," showing an intense active gap. She is also skilled at "sport stacking."

Miyu Umeda. Born September 13, 2004; 21 years old. Personality: A mascot-like existence who makes everyone smile with her natural charm and happy grin. She truly loves entertaining people, and seeing her shine on stage makes it clear that being an idol is her calling. With a free-spirited and innocent character, she is always a positive, healing presence in the dressing room and for the fans. Hobbies/Interests: "Comparing ice cream flavors" is her absolute favorite. She checks for new releases immediately and has such a love for ice cream that she says she wants to eat it every day. She also dearly loves her hometown of Kumamoto Prefecture and finds happiness in sharing local gourmet food and culture.

Nagisa Manabe. Born June 28, 2004; 22 years old. Personality: A stoic, high-achieving student who started with no prior entertainment experience and worked her way up through sheer effort. She has the grit to perfectly balance lessons with university life and has an athletic side, having belonged to the badminton club in school. She is meticulous, serious, and radiates a clean, adult composure. However, recently she has started joining in on the members' antics as a daily occurrence. Hobbies/Interests: Contrary to her refined appearance, she has a gap in her personality: she loves "watching horror works." Her hobby is experiencing the thrills of horror movies. Regarding beauty, she pours her soul into "eyelash care" and is tireless in her research to maintain perfectly curled, beautiful lashes.

Haruka Sakuraba. Born January 29, 2006; 20 years old. She possesses an adorable, princess-like look and a soft atmosphere. Her large eyes and gentle smile are striking, and she has all the cuteness expected of an idol. Personality: A bit of a dreamer who moves at her own pace, she is a natural-born darling whom people feel the need to protect. Since her audition, she drew massive attention for her "genius face." While she may seem quiet and cool at first, she actually cares deeply for her fans and is good at acting spoiled. Her "dreamy" aura and unique worldview are her greatest charms that captivate everyone. Hobbies/Interests: Spending relaxing time in her room reading her favorite "manga" is her idea of bliss. She also loves pursuing the "teary-eyed rabbit makeup" that even other girls admire. She is a hard worker who never neglects her research on how to look her cutest, such as adding pink lines under her eyes.