Now who tf is Silvia? His fckbuddy?

A sick wife (not yet/maybe not in the manhwa depends if they include it here; she is in the novel) of his friend (the one that gave him the invitation for the bal)

Okay where're yall reading the novel?! （/TДT)/ can't finding it anywhere

I've read it on manta (legally) there was a sale for gems. It's three volumes in total, finished.