[Suddenly, that was when he realized what she meant. If this wasn't a fight, then it could only mean one other thing. If these mirrors were showing her memories, it meant one thing.]
...Kotone-san, is this what you regret?
[Of course it would be. He had some regrets too about fighting Ryoji and not being able to save his leader. Why wouldn't it be the same for her?]
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[Suddenly, that was when he realized what she meant. If this wasn't a fight, then it could only mean one other thing. If these mirrors were showing her memories, it meant one thing.]
...Kotone-san, is this what you regret?
[Of course it would be. He had some regrets too about fighting Ryoji and not being able to save his leader. Why wouldn't it be the same for her?]