Oshi no Ko

[Ryllharu]

I like how we progressive go from Miyako lounging around and contemplating selling the secret, doing the books in the past (proving she was actually competent beyond her vocalized desire to hang out with pretty boy talents) to fully running the company now. She's grown into a truly loving parent for those two, who looks out for them in a quite direct way. She challenged Ruby's dreams in a more direct and methodical manner to show she looks out for them. That's effective character development by showing things rather than shitting out tons of exposition.
She's a real pro about their work now.

Aqua on the other hand, is a bastard about it, but he does love his sister dearly and genuinely. He doesn't want her to screw herself over going with some trashy underground groups, and especially doesn't want her going into the Idol Meatgrinder (they're not really shy about how that was an attack on Yasushi Akimoto's groups like AKB48/Sakamichi/dozens of others). The kind where you're either at the top risking semen-covered handshakes from fans, or out in a matter of months and off to the AV circuit. Cheery and very prominent on television, ads, and public events, but ruthless and soulless on the inside of the super groups with almost no chance to stand out.

He's probably misguided in his overprotectiveness though. He thinks the whole burden is on him to avenge their mother, and wants Ruby strictly innocent and out of it to live her happy life out of showbiz. Which one, she clearly is willing to risk it despite being a subpar singer, and two, between the toddler flame-wars and some of the other super creepy stuff Ruby said as a baby, Sarina had plenty of darkness to her too. They should be working together, but Aqua has a dumbass attitude of self-sacrifice in their collective vengeance that I'm not thrilled about.