The credits for tracks 3, 5 and 8 comes from this blog:
http://haramani.blog27.fc2.com
They credit the lyrics for track 5 to 本城美沙子. It could be a variation of 本城未沙子 (Misako Honjo
[1] [2] [3] [4] [5]), but I'm not confident enough to submit and link her.