The title track "Koi-wazurai" served as the theme song for the film adaptation of the manga "My Lovesickness Is Terrible". The single reached number one on the Oricon Weekly Singles Chart.
- The single was released on August 28, 2019, by Universal Music LLC. It was released in three different versions: Limited Edition A, Limited Edition B, and Regular Edition. The Regular Edition included the B-side "Focus".
- "Koi-wazurai" was King & Prince's sixth consecutive single to debut at number one on the Oricon Weekly Singles Chart. It also topped Billboard Japan's Hot 100 chart.
- The single was a commercial success, selling over 480,000 copies in its first week of release. It was certified Platinum by the Recording Industry Association of Japan.
King & Prince are a Japanese idol group formed by Johnny & Associates. They are known for their catchy dance-pop songs and energetic performances. This single was released during their early career, a period marked by a string of successful introductory releases.
Tracklist
