瀬戸幸助 セト セトマリ
[[Seto Kousuke]] is a character from [[Kagerou Project]] and [[Mekakucity Actors]].  He is the second member of the Mekakushi Dan. Seto is the foster brother of [[Kido Tsubomi|Kido]], [[Kano Shuuya|Kano]], and [[Tateyama Ayano|Ayano]] and also [[kozakura marry|Marry]]'s first friend.

h4. Main songs

* [[children record (vocaloid)|Children Record]] 
* [[shounen brave (vocaloid)|Shounen Brave]] 
* [[summertime record (vocaloid)|Summertime Record]]
seto kousuke