They are the first Korean group to debut at the number one spot in both Oricon's weekly chart and Billboard Japan Hot 100.

The single has sold a total of more than 91,343 copies to date and was certified Gold for a shipment of over 100,000 paid downloads by the RIAJ.

Around 9,000 netizens from over 9 music portal sites voted in a poll determining which song will become the album's title track, but despite "Like the First Time" being the winning song and lead track to the album, the group promoted "Bo Peep Bo Peep" on music programs after it was well received by critics who felt that it would be the group's first hit.

[5] The music video was released on September 1 on the Japanese cable television network Space Shower TV.

[9] In 2010, Taiwanese entertainer Lotus Wang [zh] (王彩樺) did a cover of the song under the title "Bobee 保庇".

[12] In 2023, Rolling Stone ranked "Bo Peep Bo Peep" number 45 in their list of the 100 Greatest Songs in the History of Korean Pop Music,[13] while Rhian Daly of The Forty-Five ranked it number 32 in her list of the 45 best K-pop songs of all time.

5 on its list of best T-ARA songs to date describing how took Asia by storm for its playful nature and an easy to follow choreography.