[REQUET] Ageha Lyrics Translation + Title Analysis

This was done as a request, by using JPopAsia for romaji and Super-Lover for the kana. I do not own the original lyrics or the song. And if any of you would like to know what a swallowtail butterfly looks like as well as its symbolism in Japanese culture, please click Read More >>  and scroll to the bottom of the page. 

The loneliness you threw towards me solidify in the snow
The flowers still bloom awkwardly, and you leave
I'm sorry I [ignored?] your dreams that day
It seems as if I'm the only one left behind

Like how on that summer day, when we chased after swallowtail butterflies,
we can once again capture our dreams.
That's right, as long as there's you, my best friend.