3girls alternate_costume aoki_hagane_no_arpeggio around_corner artist_name blue_eyes blue_hair blush book brown_hair chihaya_gunzou contemporary end_card gakuran glasses green_eyes hair_between_eyes hair_ornament hairclip hyuuga_(aoki_hagane_no_arpeggio) iona kashihara_kyouhei keychain letter long_hair love_letter miyahara_ruri mole mole_under_mouth multiple_boys multiple_girls non-web_source open_book open_mouth oribe_sou personification pleated_skirt ponytail school_uniform serafuku silver_hair skirt smile takao_(aoki_hagane_no_arpeggio) very_long_hair wavy_mouth yellow_eyes yotarou_(aoki_hagane_no_arpeggio)