Thanks for your answer,
No I don’t know these packages… seems to be related to japanese language (?!) they may have been installed with xfce ?
sudo apt remove anthy uim
Reading package lists… Done
Building dependency tree
Reading state information… Done
You might want to run ‘apt --fix-broken install’ to correct these.
The following packages have unmet dependencies:
libuim-custom2 : Depends: uim-common (>= 1:1.8.6+gh20161003.0.d63dadd-2) but it is not installable
libuim-scm0 : Depends: uim-common (>= 1:1.8.6+gh20161003.0.d63dadd-2) but it is not installable
libuim8 : Depends: uim-common (>= 1:1.8.6+gh20161003.0.d63dadd-2) but it is not installable
uim-anthy : Depends: libuim-plugins (>= 1:1.8.6+gh20161003.0.d63dadd-2) but it is not installable
Depends: uim-common (>= 1:1.8.6+gh20161003.0.d63dadd-2) but it is not installable
Depends: anthy but it is not going to be installed
uim-fep : Depends: uim-common (>= 1:1.8.6+gh20161003.0.d63dadd-2) but it is not installable
uim-gtk2.0 : Depends: uim-common (>= 1:1.8.6+gh20161003.0.d63dadd-2) but it is not installable
uim-gtk3 : Depends: uim-common (>= 1:1.8.6+gh20161003.0.d63dadd-2) but it is not installable
uim-qt : Depends: uim-common (>= 1:1.8.6+gh20161003.0.d63dadd-2) but it is not installable
uim-qt5 : Depends: uim (= 1:1.8.8-4+deb10u3) but it is not going to be installed
Depends: uim-qt5-immodule (= 1:1.8.8-4+deb10u3) but it is not going to be installed
Depends: uim-data (>= 1:1.8.8-4+deb10u3) but it is not going to be installed
uim-utils : Depends: libuim-plugins (>= 1:1.8.6+gh20161003.0.d63dadd-2) but it is not installable
Depends: uim-common (>= 1:1.8.6+gh20161003.0.d63dadd-2) but it is not installable
uim-xim : Depends: uim-common (>= 1:1.8.6+gh20161003.0.d63dadd-2) but it is not installable
E: Unmet dependencies. Try ‘apt --fix-broken install’ with no packages (or specify a solution).