Rule 34 Dev - 00s 1boy 1girl black_eyes blonde_hair blue_hair book closed_eyes darcsen eland instrument long_hair magari_(senjou_no_valkyria) magari_(valkyria) military military_uniform musical_note open_book randy_hamsun reading senjou_no_valkyria senjou_no_valkyria_(series) senjou_no_valkyria_2 short_hair youtwokouji|1549157571