I'm borrowing the idea of the 'Info Vault' from Random Usagi.
If you guys want to contribute or add any link, feel free to leave a comment below ^^ 

Official website: https://www.hulu.jp/static/kamieko

On Hulu's website you'll find a relationship chart and more information about the episodes (promotional pictures, summaries and teasers), the OST and the original manga.

Official Twitter account: https://twitter.com/kamiekoHulu

The actors on social media

Official OST —「無垢」by  須田景凪


Behind the scenes: