1. where sheryl became infected with the virus and how
2. Do you know anything about Ranka's father?
I have a more extensive question. He writes on various pages that Vajra has gone to another universe or galaxy, so where finally? And what does "universum" mean in Macross? An alternate reality, something invisible to beings like humans?
I also think about the singing skills of the Windermere royal family. They say the phrase "Rudanjal Rom Mayan" several times. Heirs have singing skills such as the Mayan tribe on the island, who have probably been specially modified. Case? The more so because the names are similar