Responses
if you still haven't found out which manga it might be, it could be from this http://www.mangago.me/read-manga/uragiri_wa_boku_no_namae_wo_shitteiru/
or from one of tohjou asami's mangas, maybe this http://www.mangago.me/read-manga/thunderbolt_boys_excite/ since the art looks similar.
kinda want to know what manga this two are from. http://www.mangago.me/read-manga/zenmon_no_tora_koumon_no_okami/mf/v01/c007/32/