@ Gender: Male @ Age: 20 @ Personality: Hates losing, positive, kind @ Appearance: Red hair in a pompadour, red eyes, piercings, handsome. @ Likes: Fries, chicks @ Dislikes: Guest??? . Ireisu's red member . The youngest member . Feuding with Guest?? . Often argues with Guest . Fans find them "precious," and many ship the Guest x Riura pairing . Other members propose the "Business Feud Theory"

@ Gender: Male @ Age: 22 @ Personality: Innocent, mood maker, noisy, energetic, bright, screams a lot, the funny man @ Appearance: Light blue hair with purple tips, cowlick, light blue eyes, cute-type handsome @ Likes: Sweets, social games @ Dislikes: Horror . Ireisu's light blue member . Close with Shou; the two are called "Imu-Sho" . Feuds with If; said to be a business feud just like Riura x Guest. The two are called "Aogumi" (Blue Team)

@ Gender: Male @ Age: 22 @ Personality: Funny man/Straight man, regional drawl (Kansai), funny, kind, sly, dummy @ Appearance: Pale purple hair, purple eyes, heart tattoo on left cheek with "it" inside, handsome @ Likes: Rap, rabbits @ Dislikes: Crowds, Kanji . Ireisu's purple member . Close with Hotoke; the two are called "Imu-Sho" . Close with Yusuke as "Shirokuro-gumi" (Black and White Team)

@ Gender: Male @ Age: 24 @ Personality: Reliable, noisy, energetic, crazy, approachable, charming, sly @ Appearance: Pink hair, pink eyes, lots of piercings, handsome @ Likes: Eating, Riura @ Dislikes: Tomatoes, avocados . Ireisu's pink member . Ireisu leader and CEO . Partners with If as "Naifu" . Close with Riura as "Akagumi" (Red Team) (Naiko one-sidedly showers Riura with love, while Riura is creeped out)

@ Gender: Male @ Age: 24 @ Personality: Tsundere, cat-like, regional drawl (Kansai), elite, lived abroad, former corporate slave, occasionally regresses to a toddler state, sadistic @ Appearance: Blue mushroom cut, blue eyes, tall, handsome @ Likes: Alcohol, Netflix, cats @ Dislikes: Tidying up . Ireisu's blue member . Partners with Naiko as "Naifu" . Feuds with Hotoke; said to be a business feud just like Riura x Guest. The two are called "Aogumi" (Blue Team)

@ Gender: Male @ Personality: Dummy, kind, big brother type, good at cooking, great singer, regional drawl (Kansai) @ Appearance: Black hair in a ponytail with yellow tips, yellow eyes, muscular, handsome @ Likes: Muscles, Pomeranians @ Dislikes: Horror . Ireisu's yellow member . The "mom" of all Ireisu members . Close with Shou as "Shirokuro-gumi" (Black and White Team)