There are more than one artist under this name.
(1) Otherwise is a hard rock band from Las Vegas, Nevada. They have produced three albums : "True Love Never Dies" (2012), "Peace at All Costs" (2014), and "Sleeping Lions" (2017), and an EP : "Some Kind of Alchemy" (2009).
(2) Otherwise was a post-hardcore band from the UK who had a string of releases in the early 2000s on the Firefly Recordings label. This included the full-length album "Dark Adapted Eye" (2002)