An English link to the same topic on the same site:
https://www.president.gov.ua/en/news/treba-zvilnyati-vid-ros...
It starts:
Dear Ukrainians!
An important decision was made today. It's fair. Legally perfect. Historical.
Ukraine confirmed its respect for the sovereignty and territorial integrity of Japan, including its Northern territories, which are still under Russian occupation.
Today, I signed the relevant decree. There is a corresponding statement of the Verkhovna Rada of Ukraine. And we call on everyone in the world to make similar decisions.
Russia has no right to these territories. Everyone in the world knows this well. And we must finally act.
We must de-occupy all the lands that the Russian occupiers are trying to keep for themselves.