WJSN singer SeolA has become the first member of the girl group to go solo with the release of single album ‘Inside Out’, featuring the title track ‘Without U’.‘Inside Out’ was released yesterday (January 23), led by title track ‘Without U’ alongside two B-sides, ‘Let’s Talk (Loneliness)’ and ‘No Girl’. An accompanying music video for ‘Without You’ was also released simultaneously.