[It's certainly a new experience for Roxy. Usually swimming was just a thing that she had to do sometimes. It was hard to be excited for water when you grew up on ocean and it just meant desolation. So swimming now was a whole new experience.]

[It felt like life and joy and freedom in a whole new way. Perhaps she'd be able to articulate it when she woke up, but for now, it just felt GOOD.]

[She watches Haru curiously though, seeing what happens.]

[The fireflies are attracted as he tries to focus on those feelings, hovering around him and the cube.]