He announced his new band "Bird Bear Hare and Fish" (renamed BBHF in 2019) during his solo concert on January 27.
[2] After releasing the extended play Ame Nochi Galileo (2009), the band made their major label debut under SME Records with the EP Hamanasu no Hana (2010).
As a member of Galileo Galilei, he has released seven albums: Parade (2011), Portal (2012), Alarms (2013), Sea and the Darkness (2016), Bee and The Whales (2023), Manster (2024), and Mantral (2024).
Ozaki collaborated with Vocaloid producer Livetune to create the opening theme song for the anime Hamatora, "Flat", which was released in early 2014.
Ozaki was featured on the song "Nemuri no Mori", from his extended play Dareka, Umi o, Yuuki later announced while he was on tour that he is in a new band called Bird Bear Hare and Fish.