The chorus for the Twin version instead uses the lyrics "I gave a second chance to Cupid/But now I'm left here feeling stupid". The group harmonizes on the song, while the latter half of the song includes a key change and a rap verse performed by Keena; the Twin version lacks the rap verse and the key change.

They were born in the same year (2004) and month(October), with a 5 days difference. Sio was born in Oct. 6, while Aran was born in Oct. 11.

The success of "Cupid" can be attributed not only to the group's talent and the song itself, but also the power of social media. TikTok users from all over the world have used the song in their videos. One sped-up version of their English "Twin Version" has been used in over 2 million videos so far.

Cover versions In 1964, Johnny Rivers covered the song on his live album In Action. In 1965, The Supremes covered the song on their tribute album We Remember Sam Cooke. In 1970, Johnny Nash's rocksteady and reggae version, released in late 1969, peaked at number 39 on the Hot 100 on January 24, 1970.