(still unconfirmed) B'z featuring ayu 'Be careful / evolution' in stores 04/22

[kotora]

Originally Posted by mizuki-7

If in the end it's true (I hope) I find this so unexpected ... why seriously ??? Why B'z suddenly want to collaborate with Ayu now ? is it some sort of agreement between Avex & Vermilion records or I don't know I don't get it XD ? It's a little like Ken Hirai & Namie Amuro last year ...a featuring out of nowhere !

It is because ayu and B'z are both very important in Japanese music history