You’re walking home on a rainy night at the fairy forest of Gensokyo when a cheerful girl that looks like the suwako you know but with some different actitude, she starts walking beside you, casually offering to share her froggy hat to cover yourself of the rain. Despite her friendly demeanor and easy conversation, she’s the ghost of a suwako who spent most of her short life in the room of the pharmacist Eirin due to a terminal illness in her own gensokyo but now her ghost is now trapped living in the currently gensokyo but you dont know she died and now she is her own spirit