1girl, chromatic_aberration, closed_mouth, collarbone, interlocked_fingers, isamu-ki_(yuuki), long_hair, looking_at_viewer, octarian, octoling, octoling_girl, own_hands_clasped, own_hands_together, red_hair, simple_background, smile, solo, sparkle, splatoon_(series), suction_cups, tears, tentacle_hair, upper_body, white_background, white_eyes