Don't feel bad! I probably should have mentioned it sooner. No way you could have known (without reading an excessive amount of really old threads that are probably on the other comm.)
Do you have a preference on which of them should have the one-sided thing going? I could go either way.
Also, Yuuri will be dating Nico for this event.
And let's just go Euphie for sister then. Liv is already going to be Carol's daughter.