Manga?

http://www.mangago.zone/read-manga/deadlock/
It's definitely Takashina Yuu's art, and it could be characters from the manga above, in a different setting, or just an illustration

Novel Deadheat Deadlock 2 by Saki Aida (author) and Takashina Yuu (illustrator) -> http://www.chil-chil.net/goodsDetail/goods_id/12307/

"Deadheat" (novel by Aida Saki) cover illustration by Takashina Yuu. Translation of CD series here: http://keseranpasaran.livejournal.com/18730.html?thread=159786

OMG!!!! Thank you (≧∀≦)

Thanks ٩(๑❛ᴗ❛๑)۶

You're welcome, ヾ(❀╹◡╹)ﾉ~