Singer IU’s new single “Bbi Bbi” has topped multiple streaming charts including Melon, Genie, Mnet and Bugs.

The singer’s 10th anniversary single was at the top of a total of seven charts as of Thursday morning.

The song is her first since her second covers album, “Kkot-Galpi #2: A Flower Bookmark,” released in September 2017.

(Kakao M)

The alternative rhythm and blues song features a warning message to those who overstep boundaries, with the lyrics written by the singer herself and the song by songwriter Lee Jong-hoon.

The singer is set to embark on a tour of Asia starting with a Busan concert on Oct. 28, followed by concerts in Gwangju and Seoul in the following month. She will then travel to Hong Kong, Singapore, Bangkok and Taipei.

By Yim Hyun-su (hyunsu@heraldcorp.com)