|English Name||Heart Challenger|
|Release Date||February 13, 2021|
|Sung by||Takanashi Kiara|
"Heart Challenger" is the second original song of Takanashi Kiara. The song's music video was unveiled on February 13, 2021. It was then released as a single later the same day.
Track Listing[edit source]
|2||Heart Challenger - Instrumental||4:50|
|Provided ID could not be validated.|
Heart Challenger - Takanashi Kiara (Official Music Video)
- Feb. 13 Music video and single release date.
- This is Kiara's second original song.
- Released a "Live cheering guide" dressed as Takanashi Eggiara 
- ↑ (August 19, 2021) Retrieved from https://www.youtube.com/watch?v=KpSLiHAYe7k
- ↑ (June 02, 2022) Retrieved from https://youtu.be/fAZNeq15A_E