Credits are split in 2 parts, this happens on every BE-BOP-HIGHSCHOOL OVA OST album, the page with the song lyrics always mentions Lyrics, Composer & Arranger while the last part of the booklet mentions all the musicians involved (Guitar, Drums...)
Lyrics credits:
https://imgur.com/EMYgZMy
Last page credits:
https://imgur.com/abzECoX
Also yeah, I have more Be-Bop-Higschool albums that will be posted eventually