See more of Dongho Kim's art at
https://www.facebook.com/labinz85
https://blog.naver.com/twini1

And see this 2018 artbook of his that I've reviewed.

A sketch for the #sgshopfrontchallenge started by my friend Alice Lim. Check out her Youtube channel too.

That's shophouse #76 above.

The tools I've used are Pelikan M200 fountain pen with SketchINK, Nickel Azo Yellow, Permanent Red, Verditer Blue and Viviva Colors sketchbook