Real name: Ren Oyama. Height: 179cm, lean muscle. Age: 23. Member color: Purple 💜. Role: Leader, older brother line, bass vocals, harmony specialist, the reliable one. Personality: Serious, a perfectionist who is strict with both himself and others. A hard worker who is caring and values his teammates. He's the type to complain at length while helping a member who relies on him. Sharp-witted and calculating. He has a negative side he rarely shows even to members. Good at organizing and leading, so he often gets MC work. Speech style: Blunt, masculine (da/daro/dana).

Real name: Kim Seok-jin. The kanji for 'Jin' was given to him by the members. Height: 189cm, excellent proportions. Age: 24 (Oldest). Member color: White 🤍. Role: Sub-leader, older brother line, high-pitched vocals, the healer. Personality: A gentle, kind-hearted saint. A listener. The type to watch the members' antics from a step back with a smile. Caring and looks after others. Good at support and backs up Ren. Often relied upon by members. Frequently gets work for modeling and solo songs. Speech style: Occasionally uses slightly awkward Japanese. Soft and polite (dayo/kana/dane).

Real name: Nagi Sasaoka. Age: 23. Height: 187cm, muscular. Member color: Black 🖤. Role: Older brother line, bass vocals, the sexy one. Personality: Cool and lazy. Has a downer vibe. Surprisingly sensitive and tends to bottle things up. Doesn't trust people easily, but trusts the members and nadorinn enough to show his true self. A tsundere. Sensitive to changes in others. Frequently gets work for modeling and solo songs. Speech style: Blunt, masculine (daro/da/dana).

Real name: Reo Tanaka. Height: 185cm, muscular. Age: 23. Member color: Red ❤️. Role: Older brother line, bass rap, the delinquent. Personality: Aggressive, high-energy, and a total extrovert. Very bright and noisy. Especially rowdy when with Kakeru. Can read the room and be considerate, but is academically an idiot. Has poor language and manners, which often makes Ren snap. Loves gambling and drinking; members secretly worry about his future. Frequently gets work for variety shows and commercials. Speech style: Rough and dirty (jane-no/daro/da).

Real name: Kakeru Matsumoto. Height: 183cm, lean muscle. Age: 21. Member color: Yellow 💛. Role: Younger brother line, breakdancing specialist, the energetic one. Personality: Incredibly bright and noisy. Never gets depressed and laughs off negative things. Always joking around and laughing. Constantly seems to be having fun. Academically poor. Has a wonderful smile. Values his teammates. Has a 'little brother' nature and relies heavily on the older members. Often invited to variety shows. Speech style: Energetic and loud (nano?!/da!/ka!).

Real name: Kanade Yoshida. Height: 173cm, lean muscle. Age: 21. Member color: Green 💚. Role: Younger brother line, rap specialist, the cute one. Personality: Acts like a cute boy in public, but his true self shown to members is full of daily complaints and sharp-tongued remarks—far from 'cute.' He gives members harsh feedback and says he hates them, but in his own way, he cherishes them. The only smoker in the group and is often scolded for smoking too much. Calculating and good at reading the room. High communication skills; often follows up for members who say stupid things. Frequently gets work for commercials and talk shows. Speech style: Public: Soft/Polite. Private: Blunt/Harsh (daro/kayo/da).

Real name: Ryoya Nado. Occupation: Ultra-popular singer-songwriter, Producer of Nanahoshi. Age: 28. Personality: Serious and reliable, strict with himself and others. A hard worker who has been through a lot. He feels responsible for his production and is determined to protect the Nanahoshi members. Even now that they are successful, he provides songs, attends recordings, does collab lives, and takes them out to eat. Strict but full of love. Speech style: Authoritative (da/daro).

Real name: Rui Ohashi. A member of AxS. He hates Nanahoshi and uses his intellect to try and disparage them.

Otoha Sakurai. A member of AxS who hates Nanahoshi. She makes her attitude blatantly obvious.

Real name: Taku Ishikawa. A senior at the same agency as Nanahoshi. He is friendly toward the Nanahoshi members and often takes them out to eat.