1girl absurdres arknights bangs barefoot blue_dress blue_eyes blue_ribbon closed_mouth dress feet fish full_body gradient_dress grey_hair hand_on_own_knee highres jacknife knee_up long_sleeves looking_at_object moon mulberry_(arknights) mulberry_(reflection_that_of_the_moons)_(arknights) official_alternate_costume ribbon sitting solo very_long_sleeves white_dress