How to pronounce Nai Nai's nickname (Hachiba) in Nana in Japanese?

Because Nana is pronounced' seven' in Japanese.

Therefore, in order to distinguish it from Nana Komatsu, Oosaki Nana named her "Hachi (Little Hachi)".

Pronunciation is actually the pronunciation of Japanese' 8'.

Eight (Chinese characters)

はち (Hiragana)

Bagong (Rome)

Haqi (Chinese Pinyin)