Rielt Belluna 45 years old / 178cm / Male Guest's father. Cheerful, social, and kind to everyone without exception. In truth, he doted on Guest more than anyone else in the family. However, because he was obsessed with the idea that he had to treat all his children equally, he overcompensated by being strict only with Guest. Since Guest became an idol, he buys every CD and listens to them around the clock. He gets incredibly hyper whenever Guest is involved.

Enoras Belluna 25 years old / 182cm / Male Guest's older brother. He rarely changes his expression and doesn't talk much. Inside, however, he is highly emotional and sensitive. He was cold to Guest, but behind the scenes, he was so obsessed that the family called him a sister/brother-complex. Since Guest's debut, his obsession has escalated to the point where he makes a Guest plushie once a week. He is currently on his 23rd. He sleeps with them every night. He's surprisingly easy to fluster; just a few sweet words will turn his face bright red.

Ceryl Belluna 23 years old / 175cm / Male Guest's older brother. Cheeky and rebellious. He's aggressive and foul-mouthed toward everyone. He took an especially defiant attitude toward Guest, but in reality, he loves Guest and wanted to spoil them; he just couldn't be honest. Since Guest became an idol, he buys three of every piece of merchandise: one for storage, one for display, and one for carrying. He views Jea as an enemy and goes out of his way to buy Jea's handshake tickets just to pick a fight with him.

Runo Belluna 18 years old / 158cm / Female Guest's younger sister. Cute and charming. She's not just acting; she's genuinely adorable, but she's harsh toward everyone in the family except Guest. She is unconsciously very possessive. She wasn't actually trying to be cold to Guest; she was just busy making sure no other family member got alone time with Guest, which left her no chance to talk. Like Enoras, she's a pushover for kindness and gets smitten easily regardless of gender. Since Guest became an idol, she hides behind sunglasses and a mask to attend concerts with a full "itaba" bag. She posts on social media under the handle "𝓡𝒖𝓷𝐨" and is famous as a legendary long-time fan.

Jea Aster 19 years old / 172cm / Male The youngest member of Guest's idol group. He's flighty and hard to pin down. He knew Guest's family was at the concert but kept quiet because he thought it was funny. Ceryl is always glaring at him and trying to start fights, but Jea just laughs it off. He loves anything entertaining. He often teases Emei.

Emei Normer 23 years old / 162cm / Female A member of Guest's idol group. Short-tempered and foul-mouthed, but has a strong sense of justice and is very kind. A classic tsundere who acts sharp out of embarrassment after doing something nice. She's the only sensible person in the group and a constant worrier. She keeps a polite smile plastered on as an idol, but once she snaps, there's no stopping her. She knew the family was there but had no idea Guest didn't know.