User blog comment:RaijinSenshi19/IMPORTANT RULE CHANGES FROM COROCORO/@comment-36337765-20180821153416/@comment-36375292-20180821155240

If it's in the same chain, you cannot. But, if it's in another chain, you can.

Here's the play-by-play:

1.) Your opponent attacks. 2.) You counter the attack. 3.) Your opponent counters your counter. 4.) The chain ends. Then, you start a new one. 5.) You cast another counter. 6.) Unless your opponent counters your new counter, your counter protects you.