당신은 혼자가 아니에요. [ Credit ] 1. Butterfly Produced By 육민재 Lyrics By 육민재 Composed By 육민재 Arranged By 육민재 2. Somebody Produced By 육민재 Lyrics By 육민재 Composed By 육민재 Arranged By 육민재 3. Don't worry (Feat. DUTYWHY) Produced By 육민재, DUTYWHY Lyrics By 육민재, DUTYWHY Composed By 육민재, DUTYWHY Arranged By 육민재 4. 힘내란 말 대신 Produced By 육민재 Lyrics By 육민재 Composed By 육민재 Arranged By 육민재 All Track Mixed & Mastered By DUTYWHY Artwork By 박종현