Facing the imminent dissolution of his light music club and the dashed hopes of a final school festival showcase, Haruki Kitahara stumbles upon a pivotal moment. Strumming the familiar melody of 'White Album,' his inaugural piece, he is unexpectedly joined by a celestial voice and enigmatic piano, weaving a harmonious symphony with his forlorn guitar. This serendipitous encounter heralds a new chapter for Haruki, as White Album 2 unfurls a tale of intricate love and electrifying melodies during his concluding semester, paving the way for the unveiling of the coveted stage curtains he longed to grace.