어른이 되어간다는건 가끔 욕심이 늘어나는것만 같군 Executive Produced idiotbutgenius Album Produced by Fleen, RUIMUI Lyrics by Fleen, idiotbutgenius, RUIMUI Composed by Fleen, idiotbutgenius, RUIMUI Arranged by idiotbutgenius, RUIMUI Vocal by Fleen Chorus by Fleen Piano by RUIMUI Synthesizer by idiotbutgenius Bass by idiotbutgenius Drum by idiotbutgenius MIDI Programming by idiotbutgenius Mixing by idiotbutgenius Mastering by idiotbutgenius Art worked by Fleen, idiotbutgenius