Klein x Argo


 * they will meet for the first time at the forming of kirito's guild
 * when argo first faces a boss, she will freeze up and nearly be killed but klein intervenes in time, thus starting their inevitable relationship
 * the confessions will come at the end of klein's envy trial
 * argo sees klein acting mature and kind to silica by comforting her at the guild meeting, telling her that they will be able to clear the game and survive