"Kotoshi Ichiban Kaze no Tsuyoi Gogo"(今年いちばん風の強い午後?, lit. "The Windiest Afternoon of the Year") is the fifth single by Japanese recording artist Arisa Mizuki. It was released on May 12, 1993 as the first single from Mizuki's first compilation album Fiore: Arisa Collection. The title track was written and composed by Yumi Matsutoya, under the pen-name Karuho Kureta. It was used in commercials for the soft drink Chasse by Kirin, starring Mizuki herself. "Sunao ni Naritai," is Mizuki's second consecutive B-side to be written and produced by singer-songwriter Midori Karashima.
"Kotoshi Ichiban Kaze no Tsuyoi Gogo" debuted on the Oricon Weekly Singles chart at number 8 with 74,400 copies sold in its first week. The single charted for seven weeks and has sold a total of 192,950 copies.