Koji Wada’s Most Popular Karaoke Songs Ranking [2026]

Koji Wada is best known for “Butter-Fly,” the opening theme of the anime Digimon Adventure, which was both his debut single and his signature song.

Due to two hiatuses for medical treatment and his comebacks thereafter, he was also known as the “Immortal Butterfly of Anisong.”

Even after his passing in 2016, his songs and the way he lived continue to be talked about.

Here, we present a ranking of Koji Wada’s most popular songs for karaoke.