Schwein (German for pig as well as pork) is a music group comprising members of Buck-Tick, KMFDM, and Pig. Members Raymond Watts (vocals, programming, guitar) and Hisashi Imai (Buck-Tick; guitar and noise), both having worked together in Schaft, were joined by Atsushi Sakurai (Buck-Tick; vocals), Sascha Konietzko (KMFDM; vocals and programming) and Lucia Cifarelli (KMFDM; vocals).[1][2] In 2001 Schwein released an album, Schweinstein, which peaked at number 18 on Oricon's album chart,[3] followed by the remix album Son of Schweinstein.[4] Schwein toured Japan in the summer of 2001. However, Konietzko did not tour with them, citing illness and a desire to focus on KMFDM.[5] In a 2023 interview with Visual Music Japan, Raymond Watts talked about the project and cited Schwein as his favorite collaboration to date and called Sakurai a "grand vocalist".[6]