1girl akitsu_tombo bangs bare_shoulders blunt_bangs clenched_hand close-up collarbone detached_sleeves earrings glasses green_eyes grey_hair hat hat_ribbon highres jewelry kikkou_sadamune_(tenka_hyakken) looking_at_viewer parted_lips ribbon single_earring sleeveless sleeveless_turtleneck sleeves_past_wrists tenka_hyakken turtleneck twintails