Rule 34 Dev - 41raco abs abs_visible_through_clothing ao_isami arms_up bang_brave_bang_bravern bara biceps black_hair bodysuit bodysuit_bulge erection erection_under_clothes looking_at_viewer male male_only muscles muscles_through_clothes muscular muscular_male penis penis_under_clothes science_fiction solo solo_male spread_legs sweatdrop yuuki_bakuhatsu_bang_bravern|10637263008