Espers can train their powers - Toaru Jihanki no Fanfare

"Well, it's true that it ended because time was up even though we didn't go all out, and that guy really irritates me. It's better if I just focus on 'that guy'."

"Who's 'that guy'? I'm really mindful of that as well."

Ignoring Kuroko's question, Mikoto's heart was raging with even more determination.

"But I can't remain complacent. If that guy just retaliated normally, I probably would have lost. There's really a lot of amazing people in the world. I have to train my ability, too!"
[-]
"But that Electromaster missy really has some guts. She didn't mock me even when I didn't fight back, and even wished to fight me on equal standing."

"Ahh, okay."

"This world is so big! I don't know who that Electromaster missy is, but if that had kept up, maybe it would have been my loss. It seems that I can't be complacent. Got to correct my guts!"