Kayo is a female name in Japanese. If you mean the succession of two particles 'ka' and 'yo' usually at the end of sentences, it would be meaning-wise matched to something around 'is that so?' in English.
Japan in Japanese is Nippon or Nihon. The Japanese language is 'nihongo' in Japanese, and a Japanese person is called 'nihonjin.' Written in Japanese:日本 -- Japan日本語 -- Japanese...
There is a lot of Japanese cheers in a Japanese concert. The audience does these while having glow sticks in their hand(s). Here are some examples: Hai!=ハイ！(A common Japanese concert cheer,...
日本の旗 (にほんのはた) nihon/nippon no hata - Literally "Japan's flag" or "the flag of Japan". You could also simply replace "hata" with flag ("furagu" when pronounced the Japanese...