Touching, but a little undercut by how psycho Yuyu was lol. I feel like it was telling two separate stories, one about letting go of past friendships and the other about standing up for yourself and not allowing others to manipulate you. But I did get some sense that Yuyu did care about Nana in her own twisted way, so, despite the fact that the majority of what we saw of their interactions was negative, the ending was bittersweet.