A bittersweet song that trended on TikTok. A heart-wrenching ‘setsuna’ song.
In this article, we’ll introduce a selection of bittersweet songs—the kind that have trended on TikTok or are often used there.
Songs that bare honest feelings: true “setsuna” tracks.
Not only do the lyrics resonate with a wistful heart, but the overall emo vibe is sure to captivate you.
There are plenty of songs so heartrending they make your chest tighten.
Focusing mainly on love songs, we’ve picked out a variety of tracks.
Listening might vividly bring back memories, and they’re great choices for lyric videos, too.
Be sure to take your time and listen.
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A heartbreaking song that trended on TikTok. Heart-wrenching ‘setsuna’ songs (21–30)
Only a single voicerokudenashi

An impressive song that delicately portrays the feelings of modern people struggling with loneliness and self-denial.
It gently chronicles the hurt caused by casual words, the act of holding back tears behind a smile, and the resolve to face the difficulty of simply “living.” Since its release in December 2021, this work—beautifully harmonizing a soft voice with a tender melody—has spread empathy primarily through social media, reached No.
1 on Hong Kong’s Spotify Viral Chart, and gained popularity across Asia.
It’s a song that offers comfort to those who find life hard or who long to be understood.
You let me do as I please, and yet…arekunn

Are-kun is a singer-songwriter who has gained attention primarily through his online activities.
“Suki ni Saseta Kuse ni,” a track from his 2021 album Kokyuu (Breath), became a viral hit on TikTok.
The song conveys a heart-wrenching, burning sense of unrequited love—longing for someone who won’t turn around.
His sweet vocals over acoustic guitar tones offer a soothing comfort.
It’s a message song that depicts social media interactions and resonates with the younger generation.
Magic of a Summer Nightindigo la End

This is a beloved summer song by indigo la End that has been getting renewed attention on TikTok long after its release.
The track captures a magical moment allowed only on summer nights, along with the fleeting nature of that instant.
The usually timid protagonist feels “as if I’ve become stronger” only on that special night spent with someone they love—a feeling that’s both poignant and relatable.
Released in June 2015 as part of the single Before I Get Sad, the song continues to captivate many listeners, surpassing 7.8 million views on YouTube.
It’s a track you’ll want to play on nights when you’re feeling a bit sentimental at summer’s end, or when you want to look back on a past romance as a beautiful memory.
Ghost in the FlowersYorushika

This is a song that portrays bittersweet summer memories, woven from a delicate singing voice and melody.
Yorushika’s gentle music spins a narrative with the touch of a short story.
Scenes like summer shade, frozen treats, and the sound of the wind resonate in the heart, stirring a faint sense of melancholy.
Released in April 2020, this song was also chosen as the theme for the animated film “A Whisker Away,” and is included on the album “Plagiarism.” The piece carefully depicts shifting memories and emotions against a backdrop of summer landscapes, making it a track you’ll want to hear at the turn of the seasons from spring to summer.
With its warm vocals that quietly stay close to your heart, why not take a moment to look back on your cherished memories?
Say goodbye to the love I clung to.matsuri

This is a song by Matsuri that delicately portrays the feelings of a woman breaking free from a past dependence on love and trying to take a new step forward.
Released digitally in June 2022, it features striking lyrics about the struggle between telling herself she’s forgotten her former partner and the bittersweet memories that occasionally resurface.
The track gained popularity on TikTok and resonated with younger listeners, and a music video starring Yuu Miyazaki was also produced.
It’s a warm breakup song that offers comfort to those trying to face forward despite heartache and to those who still feel lingering attachment to past love.
In conclusion
I introduced some bittersweet songs that trended on TikTok. As expected, there are many tracks centered on romance that carry a certain emotional vibe. I feel like using them in videos makes the feelings come across even more. I’d be happy if you find a bittersweet song that fits your heart.

