It seems that the nickname is Jiang. It should be that Caicai liked cats at that time, and the members called it out slowly.

In fact, Caicai likes dogs better now!

You can refer to the integrity chess links of 090729 AKBINGO and Ajiang.

This is a variety show, and the name nyannyan first appeared.

I also refer to this answer, the authenticity remains to be verified.

There may be a source, but I really don't remember.

80% should be this reason.

I was going to sleep and didn't answer, but I didn't want my friends above to mislead you!

I went to bed,