節約小超人 is a somber, low-energy track by 嘉芙姐姐 from 嘉芙姐姐講故事 Vol. 1, released October 13, 2023. It runs 4:37 at 139 テンポ (278 テンポ double-time) in A♭ Major (Camelot 4B).

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