Back Number Unrequited Love Songs: Popular Song Ranking [2026]

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The name back number was inspired by vocalist Iyori Shimizu’s heartbreak.

Since their band name stems from unrequited love, their songs on that theme tend to feel particularly well-crafted.

Here are back number’s unrequited-love songs, presented in a ranking.

Back Number Unrequited Love Songs: Popular Songs Ranking [2026] (11–20)

Winter and Springback number16rank/position

back number – Winter and Spring

This is a back number ballad about bittersweet love that you’ll want to listen to as the winter chill begins to ease.

Released as a digital single in January 2024, it was produced by Masanori Shimada, who also teamed up with the band on the hit “Suiheisen.” It also drew major attention for marking vocalist Iyori Shimizu’s first time directing a music video, with actress Anna Ishii appearing in it.

With total streams surpassing 100 million, the song has resonated with many listeners.

Its portrayal of relationships shifting with the seasons and emotions that overflow beyond words is sure to offer deep comfort during this time of graduations and farewells.

Why not take a moment to listen closely while reflecting on your cherished memories?

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