Tsukuyo was looking at the Eternal Sakura, seeing that it bloomed, this meant that. Touka, Nemu, Ui and Iroha were finally reunited under the tree. And this made Tsukuyo smile, tsukuyo can't help but think of her twin sister Tsukasa who is probably currently with Mifuyu Azusa, her adoptive mother

It's so beautiful isn't it.