J-Drama Review -The Memorandum of Kyouko Okitegami

This is my first attempt at a review of a series, please provide constructive feedback in the comments of how I could improve and give some insights on what you didn't like and what I could've said different. This review is rather spoiler free but point out if I mentioned something.

The OP by Goodbye Holiday - https://www.youtube.com/watch?v=vxJ2TaKlTsM

The ED by Nishino Kana - https://www.youtube.com/watch?v=kImpWphugRY