P'UNK～EN～CIEL is an alter ego of L'Arc～en～Ciel. Introduced in 2004, hyde takes over guitar, ken the drums, yukihiro plays the bass, while tetsu performs the vocals. P’UNK~EN~CIEL's songs have a more punk sound and their music is usually heavier and faster with a different tone due to tetsu's vocals. hyde wears a pirate patch over his left eye in P’UNK~EN~CIEL performances, and yukihiro is known to wear a gas mask, however, this has only been seen once at a live concert during their SMILE tour in 2004.

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