Originally slated for release in early 2021 in North America, volume 6 of "Creature Girls: A Hands-On Field Journal in Another World" kept getting delayed before being canceled as I once mentioned here:

​ https://www.reddit.com/r/MonsterGirl/comments/olxgqb/creature_girls_manga_vol_6_canceled_for_united/

Just recently, I noticed that pre-orders have opened up once again as seen here:

​ https://www.amazon.com/gp/product/1638586268/ref=ox_sc_act_image_1?smid=ATVPDKIKX0DER&psc=1

Fingers crossed.