http://www.mangago.me/read-manga/stray_bullet_baby/mf/v01/c001/35
The artist is Kou Yoneda, but I don't recognize the character. Good luck!
Thanks! ヾ(❀╹◡╹)ノ~
I think it's twittering bird's don't fly by Kou Yoneda
It is Yoneda Kou but it is not a manga. She drew only the cover. Because it was the beginning of this magazine.
http://www.mangago.me/read-manga/stray_bullet_baby/mf/v01/c001/35