编辑“︁Principle Of My Soul”︁（章节）

===造型===
9月3日公開的首張預告海報是為表達Naul的童年歲月。9月7日公開的第二張預告海報與之前發表的造型相同都是Naul戴著墨鏡，穿西裝的照片此次則代表他在音樂上的進步和成長，展現過去和現在的自我。第二張海報還透露了Naul的專輯訊息，上面寫著：9.20的發行日期、專輯的名稱〈Principle Of My Soul〉和主打歌曲「風之記憶」等內容<ref>{{Cite web |url= http://www.ohkpop.com/66541/naul-reveals-release-date-to-1st-solo-album-principle-of-my-soul-2nd-teaser-poster |title= Naul reveals release date to 1st solo album, "Principle of my Soul" + 2nd teaser poster |author=  |date= 2012-09-08 |publisher= ohkpop |language= en |accessdate= 2012-09-20 |deadurl= yes |archiveurl= https://web.archive.org/web/20121025045844/http://www.ohkpop.com/66541/naul-reveals-release-date-to-1st-solo-album-principle-of-my-soul-2nd-teaser-poster |archivedate= 2012-10-25 }}</ref><ref>{{Cite web |url= http://www.allkpop.com/2012/09/naul-to-release-principle-of-my-soul-on-september-20 |title= Naul to release ‘Principle of My Soul’ on September 20 |author=  |date= 2012-09-07 |publisher= allkpop |language= en |accessdate= 2012-09-20 |archive-date= 2012-09-09 |archive-url= https://web.archive.org/web/20120909224028/http://www.allkpop.com/2012/09/naul-to-release-principle-of-my-soul-on-september-20 |dead-url= no }}</ref>。