Karen's dad is a pianist. He sucked in 2007 but apparently improved eventually

Lala's dad is a genius programmer specializing in AI in a context where that's not derogatory. He didn't do a great job of dad-ing but he tried

Arianna's dad is the Duke of Caledonia and sent her out on the plot of EO2U without telling her the plot of EO2U. Trash. Reportedly takes an active role in city planning

Dark Dream has one parent of ambiguous gender who killed her

And Tsukasa's dad died early enough that she never really knew him.

Damn this ended up depressing. Okay reaching into the archives

Ricky's dad was super busy but they were really close. She has fond memories of eating fast food with him. And then he died, probably murdered.

Reika's dad probably exists

This isn't helping honestly

The closest thing Olympia has to a dad is a cyborg who's also sort of her brother. He's a better person than she is, honestly.

There, ended on a high-ish note

Sorry Karen, your dad is gonna be against the wall when the revolution comes

He deserves it but not for the reason it'll happen

(That we know of)