A story spanning 30 years, following a man born in the first year of the Heisei era, and his life until the era's end, intertwined with the music that defined the times. The protagonist is a plain man named Heisei (Hiranari). He grows up in a family of four in the countryside, with a hobby of playing guitar. He moves to Tokyo for university, aiming to become a band musician, but life doesn't go so smoothly. His love life also gets complicated, torn between Yui, a childhood friend from his hometown, and Tsumugi, a woman he meets in Tokyo. As his band activities take an unexpected turn, Heisei is faced with life-altering decisions. Now, at 30 years old, what reality lies before Heisei (Hiranari)? And what kind of answer will he come up with for himself?

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