Watch out! The difference between the HD-2D version of "Dragon Quest I & II" Switch / Switch 2 version is announced... Upgrades are not possible

Watch out! The difference between the HD-2D version of "Dragon Quest I & II" Switch / Switch 2 version is announced... Upgrades are not possible
The difference between the HD-2D version of "Dragon Quest I & II" Switch version and the Switch 2 version has been announced!...

The linked article is in Japanese.