Information:
Hakuei is the vocalist for popular rock group Penicillin, and Kiyoshi was a guitarist for the band known for working with Hide, Spread Beaver. Kiyoshi used to write and play for Hakuei's solo material, as well as produce Penicillin at one point. This group took a hiatus in 2002, and returned in 2004.
Bloodtypes: Hakuei - O, Kiyoshi - B.