few more, not already mentioned, various degrees of fantasy:
Sorcery / Sortileges by Dufaux and munuera, demon passes to the overworld as handsome man, changes;
Stand Still, Stay Silent. Fantasy folklorish tale with mages that draw protective runes and comune via dreams; Book 1 better than book 2.
Ploneis the Uncertain French fantasy comic where males transform into women;
Rob Davis' The Motherless Oven trilogy: dark fantasy, cruel world, children make their parents who are appliances/machines but still people, coming of age, escaping boundaries.
The Bouletcorp's Kingdom Lost - picrel, original French title Maudit Royaume: https://bouletcorp.com/notes/2014/09/04 - English: https://web.archive.org/web/20141219044500/http://english.bouletcorp.com/2014/09/05/kingdom-lost ;
The Bouletcorp's 24 Hours Comic – The Gaeneviad 2017;