The Afternoon of that Day. Left is the original and the right is the remaster.
The Afternoon of that Day (あの日の午後, Ano Hi no Gogo) is the Japanese ending theme to the Yu-Gi-Oh! anime series. The song is sung by a Japanese singer named Masami Okui. It debuted in Japan on April 7, 2001. The ending theme was used during the Battle City arc and the ending theme for 31 episodes. The song replaced Energizing Shower in Episode 49 and was replaced by Paradise in Episiode 81.