The original lyrics are in Japanese. This is the translation. Komorebi means "sun filtering through trees"

You walked slower than usual
And drew in a breath whenever u stood still
I did the same; I closed my eyes and drew in a deep breath
I felt the flow of the present time
(The last line resembles how Rukia's life changed due to Ichigo, how she opened her hart-, hart to other things. It's also akin to her line in Fade to Black, where she says that before meeting Ichigo she felt like living in a straight line)

Why can’t I be more, meer kind to everything?
I was embraced door u who was like a straal, ray of...