@nicosomb@mamot.fr wget commands to download all images (with [DOT] to prevent link-shortening):

wget --random-wait --timestamping https://www[DOT]ghibli.jp/gallery/{redturtle,omoide,laputa,nausicaa,tanuki,umi,porco,majo,totoro,howl,baron,ghiblies,yamada,mononoke,mimi,marnie,kaguyahime,kazetachinu,kokurikozaka,karigurashi,ponyo,ged,chihiro}{001..050}.jpg

wget --random-wait --timestamping https://www[DOT]ghibli.jp/gallery/onyourmark{001..028}.jpg