Read more about the project and planned book here:
http://bit.ly/HokkaidoInk
You can also follow me making the illustrations on my Instagram here:
/ mateusz_urbanowicz
Technical details (used tools):
Sketch: Col-erase Carmine red pencil
Kuretake ink brushpen
Pilot ink
Paper: Canson C a grain
Feel free to check out my other stuff:
Gumroad: https://gumroad.com/mateusz_urbanowicz
Patreon: / mateuszurbanowicz
Website: http://mateuszurbanowicz.com
Blog: / mattjabbar
Twitter: / gommatt
Instagram: / mateusz_urbanowicz