Source: You Tube
" B'z (ビーズ, pronounced Bīzu) is a Japanese rock duo consisting of guitarist, composer and producer Takahiro "Tak" Matsumoto and vocalist and lyricist Koshi Inaba, known for their energetic hard rock tracks and pop rock ballads.
They are one of the best-selling music artists in the world and the best-selling in their native Japan, having released 49 consecutive No. 1 singles, 25 No. 1 albums, and 3 No. 1 EPs on the Oricon music charts, and have sold more than 100 million records worldwide."
One of there top selling singles is
"Even if Love is Selfish, You're the Only One I Won't Hurt" (Japanese)
Source: Wikipedia