1girl alternate_costume arknights bangs blonde_hair blue_eyes blue_hairband blurry blush bokeh breasts casual depth_of_field dragon_horns earrings gift gino hair_between_eyes hairband heart highres holding holding_gift horns jewelry large_breasts long_hair long_sleeves looking_at_viewer pointy_ears saileach_(arknights) solo upper_body valentine watch wristwatch