Yuuki Ozaki (???? Ozaki Y?ki, born May 27, 1991), is a Japanese musician, who is leading vocalist and songwriter for the band Galileo Galilei. In 2014, he began releasing solo material. Yuuki Ozaki was born in Wakkanai, Hokkaido in 1991. At junior high school in 2007, he formed the band Galileo Galilei, and in 2008 won the Senk? Riot music contest, as well as an independent music contract. 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 three albums: Parade (2011), Portal (2012) and Alarms (2013). Ozaki collaborated with Vocaloid producer Livetune to create the opening theme song for the anime Hamatora, "Flat", which was released in early 2014. In mid 2014, Ozaki collaborated with anime composer Yoko Kanno to create "Trigger", the opening theme song for the anime Terror in Resonance. Ozaki collaborated with Aimer, the singer who performed the ending theme song for the anime. He was featured on the song "Nemuri no Mori", from her extended play Dareka, Umi o.