Multiple credible sources from 2022, 2023, and 2024 (Reuters, WSJ, Korea Herald) directly confirm that Japan's Finance Minister, Shunichi Suzuki, has repeatedly issued warnings and voiced concerns about the yen's depreciation. The language used in the evidence, such as 'rapid weakening', 'excessive' moves, and 'yen slump', strongly corroborates the statement's claim about flagging 'sharp, one-sided' depreciation.