"Believe" is the first single by Japanese rock band Luna Sea, released by MCA Victor as their major label debut on February 24, 1993.

It reached number 11 on the Oricon Singles Chart, and sold over 200,000 copies.

Guitarist Inoran is claustrophobic, which inspired him to compose the B-side "Claustrophobia".

[citation needed] The title track was re-recorded for their 2000 compilation album Period -the Best Selection-.

[1] Luna Sea played "Believe" jointly with X Japan at the hide memorial summit on May 4, 2008.