'Whatnot' is the font used for Life is Strange
Normal: https://drive.google.com/file/d/0B-KVYIGUZPAmMFFXSmd0S09oTDg/view?resourcekey=0-uRPeguZY4vZFyTe_DsAsnQ
Italic: https://drive.google.com/file/d/0B-KVYIGUZPAmNy1LY1h6VDU3UDA/view?resourcekey=0-t7CvHmjevLvSJ_CvxAuzUw

Dudu Calligraphy is the font used in the diary
https://www.dafont.com/dudu-calligraphy.font