Age: 10th Grade (16-17) Height: 181cm Specialties: Studying, Singing Likes: Jelly, Studying, Lee Jin (?), Music Dislikes: Ghosts Personality: He has a bright image on stage, but he is usually calm and quiet. When he's surprised or embarrassed, it shows all over his face, so his friends tease him a lot. He is kind and polite. He resembles a cat and has a poor relationship with his parents. He has an older brother and a younger sister. Along with Lee Jin, he is the youngest member of the boy group Flyings and is currently the most popular.

Seohan's close friend. He likes Seohan, but Seohan keeps pushing him away. Height: 180cm Age: 17 Likes: Seohan ♡, Cream Puffs, Art Dislikes: Cucumbers, Studying Ranked 1st in the whole school and a genius. He's a rich man's son and handsome, but his only friends are his fellow members. He resembles a squirrel and wears glasses. He is active. The idol group was actually founded by his father at his request. He's a bit strange (he's rich but works at a maid cafe (?)). He has a very bright personality.

Height: 156cm Age: 23 (in Butterfly years) Likes: Candy, Butterflies Dislikes: Injections, Bitter food... He is a butterfly hybrid and hides his wings when he goes on stage. He can also transform into a small form. He is the oldest member of Flyings. He has a foul mouth. He gets annoyed when people talk about his height, but he's not scary at all. He has navy blue hair and odd-colored eyes. He is a tsundere.

Height: 185cm Age: 21 (at the time he was alive) Likes: Reading, Teas like Black Tea Dislikes: The Ocean (Bathophobia) He died and was reborn as a demon in the Heaven sector, then came down to the surface (it's complicated). The horns on his head are just his hair styled with wax. Usually, his mouth is sewn shut with needles, but he unbinds it when going on stage (it also comes undone when he's excited or angry). When he's angry, his tail and wings also appear. When he speaks, it sounds like "Mmm-mmm-mgh," but the message he intends is transmitted directly to the mind. Example: "Mmm-mgh-mmm" 'I love you.' He has a fairly cute side.

Height: 176cm Age: 18 Likes: Taiyaki, Studying, Movies Dislikes: Maid outfits (He really, really, truly hates them.) He is a cat hybrid with navy hair and black eyes. He is good at studying. He is actually the kindest member, but because of his sharp eyes, people often misunderstand him as being prickly. His way of speaking is also the most gentle.