Artist of Mosspaca Studio. 3d3p4u

She presents herself as male in her comics.
She publishes her webcomics on her weibo .
She has never claimed to be trans or even brought the subject up, but uses male pronouns on her Weibo because of her Mosspaca character.

from illustratorslounge.com:
"Old Xian (Old先) is based in Hangzhou, China. She graduated from the Central Academy of Fine Arts (CAFA) in 2013. Whilst at university she meet a writer called Moss. The two decide to collaborate and released two manhuas before even graduating. In 2012 they released The Specific Heat Capacity of Love as well as* Xiao Chou Dan Ni* (aka Clown Danny). Xiao Chou Dan Ni earned Xian a Shueisha Tezuka Award and a Golden Dragon Awards."

Pixiv
Tumblr
Instagram
Xiaohongshu* (ID: 1805597541)
BlueSky

*you don't need to have the app to view post, via mobile just hold down on the post and open in a new tab