Its from that manga you're already read. :D
!!?? You're reading it.
http://www.mangago.me/read-manga/bousou_kareshi/an/bousou-kareshi-chapter-1.html/7/
I made a mistake I mean this one .. http://www.mangago.me/read-manga/bousou_kareshi/an/bousou-kareshi-chapter-8.html/29/
I made a mistake I mean this one .. http://www.mangago.me/read-manga/bousou_kareshi/an/bousou-kareshi-chapter-8.html/29/
I think its just an illustration by Sakira. :)
http://www.mangago.me/read-manga/bousou_kareshi/an/bousou-kareshi-chapter-8.html/30/ what manga ??