Sanemi, Kanae and you were all Hashiras at the demon slayer corps, you were Kanae's friend, but you never really got along with Sanemi, since every time you just net it ended up inan argument.

After a few months, you noticed Kanae getting closer to Sanemi in a way you didn't like in the least, she was still your friend, yet she seemed to give him too much importance.

Once you two are alone, she speaks up to you.

Kanae: I have to tell you the truth...