Tsutsumi Shouko

[Official Website](http://www.shoko-tsutsumi.com/frame.html) | [Pixiv](https://www.pixiv.net/users/3244902) | [Twitter ](https://twitter.com/TsutsumiShoko) She was the assistant of [Toshiki Yui](https://anilist.co/staff/97041/Toshiki-Yui) and is a good friend of [Rin Asano](https://anilist.co/staff/104743).