Hard to find solo release by 佐藤千亜妃, from before きのこ帝国. Only song to not be re-recorded by きのこ帝国 is track 5.
The only available pictures online are really low resolution, so the image is a picture I took with my phone of my own copy.
01. the sea 0:00-5:36
02. natsu no yoru no michi 5:36-10:43
03. yoru ga aketara 10:43-16:43
04. ashikubi 16:43-23:25
05. subete 23:25-25:14
Music property of 佐藤千亜妃/kugatsuhascome
Download: https://drive.google.com/file/d/1UR-s2v5ylGGBibJ6Ci9YrTW52p1Q4u0Q
Alternate download: https://www.mediafire.com/file/zmhyxzces9z2uj3