The song ranked No. 1 on Melon's October chart, ahead of RESCENE's "LOVE ATTACK" at No. 2 and A2O and A2O LITE's "NEON" at No. 3.
Her agency Cube Entertainment earlier said that the track also topped Genie Music's October monthly chart.
Released on Sept. 7 as the title track of Soyeon's first full-length solo album, "What a wonderful life," the song previously topped major South Korean real-time, daily and weekly music charts simultaneously.
The track remained at No. 3 on Melon's TOP100 as of early Tuesday, nearly two months after its release.
Her agency said the album also received platinum certification on China's QQ Music after digital sales exceeded 1 million yuan.
Meanwhile, Soyeon is scheduled to perform with Riot Games' virtual group K/DA at the League of Legends World Championship final opening ceremony at Barclays Center in New York next week.
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