"Taiyō ga Mata Kagayaku Toki" (太陽がまた輝くとき, lit.
When the sun shines again) is a 1994 song recorded by Japanese singer Hiro Takahashi.
The song comes from his second album called Welcome to Popsicle Channel.
[1] B-side is "Lunchtime Goodbye" (ランチタイム グッドバイ, Ranchitaimu guddobai) and an instrumental version of the titular song.
This song also became the fourth ending of the anime series YuYu Hakusho.