Otouto is younger brother, ani is older brother.
Nii-chan means "older brother" in Japanese.
"Little sister" is 'imouto,' while "littlest sister" is 'ichiban shita no imouto.' (Japanese: 一番下の妹)
Anki
The Japanese word for cute is Kawaii, The Japanese word for scared Kowai
Japanese word for surender
弟 Otōto
Nii-chan means "older brother" in Japanese.
older brother=oniisan younger brother=otooto
It can be translated as 'older brother.'
兄: ani (older brother) 弟: otouto (younger brother) the word for older brother is 'o-ni-i-sa-n' the word for younger brother is 'o-to-u-to' (phonetic hiragana spelling)
"Big brother" is 'ani' or 'niichan' in Japanese, written (in order): 兄 兄ちゃん
Onii-san is the honorific while the actual word is ani.
'Burakon' is the name of a manga, the word means 'brother complex' in Japanese, like 'siskon' taken from 'sister' and 'complex' when pronounced in Japanese. About its content and genre you should visit ANN or Bakaupdates, etc.
"Little sister" is 'imouto,' while "littlest sister" is 'ichiban shita no imouto.' (Japanese: 一番下の妹)
Anki
This is not a Japanese word.
Japanese does not have a word for "it."