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A broad costume category can help organise choices for events, group shoots and themed projects. Planning by series also helps coordinate related characters in a group. For event or photo planning, Genshin Impact cosplay costume ideas（原神 コスプレ衣装の選び方） keeps the selection connected to the intended series. This keeps related characters together without reducing them to one costume. A useful comparison considers character identity, preparation time and the planned setting. A clear theme makes later costume and wig choices easier to coordinate.