Okubo Kaoru on X: "#HelloProjectSubsc Ultra Unreleased For many years I have been involved with many masterpieces, and before I knew it, I had arranged over 100 songs. That song too, this song too, An era where you can listen from anywhere in the world. With gratitude to everyone who has supported us so far, And may it reach those we will meet from now on. https://t.co/iCBErC51uq" / X