Survival Island
MVB introduces the Player to his butler Winston, and refers to having him as his “greatest triumph of all.” This is a bit notable, as he never gives a proper introduction to his chef Isabella.
Home Island
Amelia and the Red Baroness are heavily implied to have been close friends prior to the Baroness becoming a villain. The Baron has a picture of Amelia and her hugging in her room.
Crisis Caverns Island
Many people interpret the elderly ladies Hazel and Beatrice as being a couple.