Putin Blames Japan for Peace Treaty Stalemate

On Russia-Japan relations, I am surprised by Japan's overall stance towards Russia.

Consensus

Vladimir Putin stated that Japan is fully responsible for the breakdown in Russian-Japanese relations.
Putin emphasized that Russia was ready to continue discussions on the peace treaty and address humanitarian issues, including Japanese visits to the Kuril Islands.
Russia has not taken any steps to worsen relations with Japan, according to Putin.
The peace treaty between Russia and Japan has not been signed since World War II.
The issue of the Kuril Islands (Southern Kurils) remains unresolved, with Japan claiming four islands including Kunashir and Iturup.

The Russian Foreign Ministry issued a formal protest to the Japanese embassy in Moscow on August 31 regarding provocative military activity near Russia's Far Eastern borders, citing upcoming Japan-U.S.-Australia military exercises involving the Typhon missile system and warning of compensatory countermeasures. — kommerant
Putin expressed surprise at Japan's overall position toward Russia, stating he was not surprised by Japan's reaction to his visit to the Kuril Islands but was surprised by Japan's broader stance. — interfax
Putin stated that Russia was ready to discuss the peace treaty and humanitarian issues, including visits by Japanese citizens to the Kuril Islands, and that Moscow had positively responded to many issues. — riamo