"He is!" Tsukasa agrees, only adoration in his tone. Amane was a worrywart and took things too seriously sometimes. But it was part of his brother and Tsukasa loved all of him. Even the parts that made things a little difficult sometimes. You learned how to deal with them!

Nikki obviously was very different but Tsukasa liked that about him. It felt more like being around a kindred spirit and Tsukasa needed more of those. "I didn't hear it from you! I was already thinking it anyway."

He claps his hands at Nikki politely and answers, "Amane wanted to come! There's an observatory so I came too. And then I got really curious if this place had secret rooms..."