I don't know if it's the dream girl or the original girl, but I'll give it a try.
Don't hang around, don't take sides, don't quarrel
Yuan Geng is mainly for self-preservation and commemoration
I don't criticize any of the characters. I would like to express my gratitude to Lily in the original work.
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Sylvia Lin is a girl who moves into Spider End Alley.
Severus Snape is a boy who lives in Spider's End.
Lily Evans is a girl who lives in Cokeworth, but she has two friends who live in Spider End Lane.
Before and after, the story begins.
Concept: A dream in girlhood