when a cursed soul and a possessed soul both have a deep desire,
they can form a pact to combine their powers and fulfil those desires.
Remember when we were first introduced to Rin and Nitori’s relationship, like;
and now it is just;
I fucking love character development.
No, it's not too late. Let's go, Rin!
By Haru and the others. By my friends. When I swam with them, they showed me a sight I had never seen before and it made me want to swim again.
That’s why this time, I swim for the sake of the friends who saved me.