How Much I Love You < Credit > Lyrics by Jihan Kim Composed by Jihan Kim Arranged by Jihan Kim Vocal & Chorus by Jhnovr Drum by Jihan Kim Bass by Jihan Kim Synthesizer by Jihan Kim Piano by Jihan Kim Guitar by Seongwon Yoon Mixed by Jihan Kim Mastered by En Artwork by Dongbin Kang, Soo