In the game Whispering Willows , Casey is not the protagonist (the protagonist is Elena Elkhorn), but she is a crucial narrative figure. She is a young girl who represents one of the tormented souls trapped within the Willows Mansion. Tokyo Hot N0161 Erina Mizuki - 3.79.94.248
Assuming you are most likely referring to the narrative-heavy game (often mistaken due to its spiritual "paradise" themes) or the literal bird character, here is a detailed guide for the most probable candidates. Possibility 1: Casey from "Whispering Willows" Note: If you are referring to the horror/puzzle game involving spirits, this is the likely answer. Intip Smp Mandi Link [FREE]
There is no major media franchise titled "Paradise Birds." However, the game is often associated with bird imagery (specifically crows/ravens) and features a character named Casey in a narrative involving spirits and the afterlife. It is also possible you are referring to Casey from Animal Crossing (a bird villager) or the educational company Paradise Bird (Casey Robinson).