That means 3rd release for Ayu's 15th anniversary on Jan 8th will be not a single. LOL
BTW, congrats for Yama-chan. But releasing a solo single doesn't mean he will leave the group. For example, both KinKi Kids members has their solo career, Tegomass also they are still in NEWS, as well as Nakayama Yuma still in NYC. It would be a disaster for HSJ if Yama-chan leaves the group, I can't even imagine about that.