this section has alot of back and forth in war, it does imply war crimes and doing cover ups in war.
Japan was an ally of the Triple Entente during World War I, joining Britain, France, and Russia against the Central Powers and contributing to the war effort by capturing German territories in the Pacific, securing sea lanes, and escorting convoys in the Mediterranean Sea.
england has a part of their crown in germany though
Victoria, Princess Royal (Victoria Adelaide Mary Louisa; 21 November 1840 – 5 August 1901), was German Empress and Queen of Prussia as the wife of Frederick III, German Emperor. She was the eldest child of Queen Victoria of the United Kingdom and Prince Albert of Saxe-Coburg and Gotha and was created Princess Royal in 1841.
so england has their crown in germany also.
japan is allied to england in ww1 so that would imply japan is involved with oil theft in the ottoman empire via treason from the saudis and then genocide to the ottoman empire, japan is false, they have a hand in ww1 in the ottoman empire with england.