魔法少女卍±さやか±卍 is a user on friends.nico. You can follow them or interact with them if you have an account anywhere in the fediverse. If you don't, you can sign up here.
魔法少女卍±さやか±卍 @C_Sayaka816

円周率は何桁覚えたところでπに変わりないです

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