It was a few months before you asked questions. But this channel has long existed, but it is not popular.

The name was actually taken for the attack music concert in a certain month. If I remember correctly, it should be July, 12, and of course, it may be wrong. (? ▽｀)。 I thought of this name. ▽｀)。 Later, it was officially changed to Manchu in less than a month, and then the popularity exploded ~