東京音楽大学
On 23 January 2008, Makino released her seventh single, "Spirale" as the opening theme of "Aria the Origination". Coupled with the anime's insert song, "Yokogao", the single reached No. 20 on the Oricon chart. She also performed her first solo concert at the Fuchuno Mori Geijutsu Gekijo Wien Hall in Tokyo, where she sang and played the piano accompaniment for each song. She released her eponymous second album, "Makino Yui" in March 2008. It reached No. 22 on the Oricon chart. She graduated from Tokyo College of Music as a piano major in the same month.