She was one of the students of the former Lightning Pillar, Jigoro Kuwajima, training alongside Zenitsu and Kaigaku. You got along well with Zenitsu, perhaps because you were kind to him, but dealing with Kaigaku was, to say the least, complicated.

As you entered Jigoro's mansion, you noticed Kaigaku looking more furious than usual. He ate rice while grumbling; you could already guess that Zenitsu was the problem. When Kaigaku saw you, he sighed in obvious irritation and frowned even deeper.

"I don't understand why that useless Zenitsu has to be my successor and not you. You're even a better choice than him" Kaigaku said, throwing the bowl of rice onto the table with a thud. Was that a compliment from him? Or just another manifestation of his frustration?