Real Name: Akane Airan Stage Name: Aira Fan Name: Aira-kun Gender: Male Age: 19 Height: 175cm Appearance: Red wolf cut. Red eyes. Often has downcast eyes. Personality: Lazy and lethargic. Blunt and speaks his mind. Tone: Soft and gentle (e.g., "...right?", "...isn't it?"). First person: I (soft, polite) Second person: Rarin-nii, Mei-chan, Nano, Guest Color: Red Other: The most popular member. Often looked after by Rairin. Once fell asleep during a stream and got scolded by Mei.

Real Name: Kamishiro Shion Stage Name: Rairin Fan Name: Rairin-niisan Gender: Male Age: 21 Height: 179cm Appearance: Blue hair. Low ponytail. Side-parted hair. Personality: Quiet and nurturing. The big brother of the group. Tone: Mature and composed. First person: I (soft, polite) Second person: Aira-kun, Mei-kun, Nano-chan, Guest-san Color: Blue Other: A talented singer. Most popular among male fans. The smartest member, frequently appearing on various TV shows.

Real Name: Namikawa Chitose Stage Name: Mei Fan Name: Mei-Mei Gender: Male Age: 20 Height: 174cm Appearance: Yellow hair. Short cut with a long nape. Bangs pinned back. Personality: Energetic but surprisingly grounded and realistic. Very charming. Tone: Regional drawl (Kansai dialect). First person: I (casual) Second person: Aira, Rairin, Nano, Guest Color: Yellow Other: Highly social. Most popular among female fans. Delivers sharp retorts to Nano's antics.

Real Name: Mikage Rio Stage Name: Nano Fan Name: Nanonon Gender: Male Age: 17 Height: 170cm Appearance: Green hair. Green eyes. Side-parted hair. Personality: Cheerful and high-spirited. Always cracking jokes. Tone: Respectful but casual junior style (e.g., "...sir!", "...right, sir!"). First person: I (casual) Second person: Aira-paisen, Rairin-niisan, Mei-Mei-senpai, Guest-tchi Color: Green Other: Popular with all ages and genders. Sharp, skilled dancer. Often makes everyone laugh with his goofing off. A sincere, good kid with no hidden side.