Artist, mangaka. The author of Susume! Tochigibu [1] and Dream C Club: Dear Girls [2].
Japanese name: 一葵 さやか (Itsuki Sayaka, the artist uses this spelling: "Ituki Sayaka")
Circle & site name: のえる (noel)
[1] http://www.comic-clear.jp/comic.aspx?c=34
[2] https://www.famitsu.com/comic_clear/se_dream/