The only thing that bothers me is that it felt like it was implied in the chapter where they did archery that Reina developed feelings for the Kei. She said something like “I shouldn’t fall for someone impossible again” or something like that. But that was never really brought up again or resolved in any way. That bugged me a little. I suppose the conclusion is she moved on from that as well. Which is fine I just wish there was at least one scene for that as well