Day 5: Bottle
Loba from Apex Legends

Day 6, Spike

Day 5: Spike
Spike Spiegel from Cowboy Bebop

Day 7, Rage

Day 8, didn´t think i would make it this far!
Subject: Tail

Day 7 Rage
Rainy Devil from Bakemonogatari

Day 10: Tasty

Day 12: Blade
Blade of Yagyu grass (Kozure Ookami). A quick one this time, wanted to test another style, sort of "ink painterly".

Day 14: Skinny
Kiss-Shot Acerola-Orion Heart-Under-Blade (or Shinobu Oshino) from Monogatari series.

Day 16: Teeth (Could also be day 21: Smile)

Day 18 (Shell) and 19 (Empty)
A very quick sketch.

Day 21: Smile
Or laugh.

Damn, totally didn't think about posting my contributions here... All done on a Galaxy Note 8 !
Here is today's : Horn.

Might finally open a blog post with all of them to get things going.

Day 27 Bones

Day 25: Seed

Day 28: Eyes

Day 29, 30, 31: Superior, Stripes, Death