How to change fonts in Drafts5

I’ve got a problem. I work in a multilingual (English, Chinese, Japanese) environment. When I copy and paste English text Drafts defaults to a font used for romanization in the Asian language, which is big, ugly and visually awful. I want to change the English font to something more easy on my eyes. Is this possible? If so, how do I do it?

You can change fonts via the Appearance settings.