Some kind soul on Twitter compiled a how-to for accessing the e-book, webtoon, and hard copy for this novel.

As far as I can tell still not available in translation, but at least the machine translation on one of the e-book sites wasn't as bad as I've read before for other web novels.

https://twitter.com/Labyrinth_101/status/1469967075502587904?t=PZKyRZT830VIGKfiugjyAw&s=19

Another link to buy for overseas shipping to some countries: https://twitter.com/suhodorable/status/1466055559157743621?t=X4IByp2E4ejC4eR8oKcdIA&s=19

Deok Im’s sewing skills from the novel

https://twitter.com/yuuru0911/status/1471240340292079619?s=21

https://twitter.com/yuuru0911/status/1471483586444361736?t=X-g56TOX_KY_mE9hx-wusg&s=19

Holding her for the last time? 

From the novel about their son calling Deok Im mother 

https://twitter.com/yuuru0911/status/1471596220401393670?s=20

Point of view from Deok Im in novel re: forming a family with San

https://twitter.com/ssoul_inseoul/status/1472765694160764930?t=83H-6iMsk_yXZ5jXE7qVDw&s=19

 LBPG:

Jeongjo and his use of the space where Ui Bin died. 

https://twitter.com/yuuru0911/status/1476362375817093129?t=HczTelXZaZMfBCuNN1U5jw&s=19

Yeah. I read that too.  It’s said her residence was close to where he works so that she wasn’t far away and he can see her easily everyday during their marriage.  I know that some people say that she should have accepted him sooner so their time together was longer but that doesn’t guarantee anything during that time period.  IRL, he kept their relationship a secret from the pub until their son was born in order to protect her.

 LBPG:

https://thetalkingcupboard.com/2021/12/31/the-red-sleeve-history-her-story-and-their-love-story/ 

Great translation of a Korean blog post summarizing what's known/theorized about Ui Bin and their love story.

This is awesome.  You can tell some of these aspects were included in the drama.