original song, full ver: https://soundcloud.com/user-787037873/4-challenges-photon-maiden?si=05b3e7449b2040b8aa4c230d64b6ba9e

4 Challenges (game ver) - Photon Maiden

Ultimate Vista - Peaky P-key

cover, game ver.

the original song is by the pop artist Aikawa Nanase.

original song, full version.

MV: https://youtu.be/iRwKU_ZhBsM