Popular love-letter songs that deliver your feelings. Timeless classics that touch the heart.

Kimi-iro Love SongSaku

Saku “Kimi-iro Love Song” (LINE ver.) [Smartphone viewing recommended]

A song by Saku that captures the sparkle of youth and the thrill of unrequited love.

Sung by an artist who drew attention for her style of performing while working as a clerk at Tower Records in Shibuya.

It overflows with positive feelings—wanting to speak up, wanting to see the person you like—and if you send the lyrics as a surprise message, you’re sure to make their heart race.

It’s the title track of a single released in June 2016 and was also used as the annual campaign song for Fuji TV’s Sakuranbo Television.

When you need courage to confess your feelings or want to get closer to someone you’re interested in, try sending the lyrics line by line on LINE.

The music video is styled like a chat screen too, so be sure to use it as inspiration when you set up your surprise.

A message to youerica

erica - “A Message to You” (short ver.)

This work depicts a scene where you probe someone’s feelings by asking the person you like a series of questions.

It’s a track by singer-songwriter Erica—widely supported by younger generations as a byword for “confession songs”—which began pre-release distribution in November 2017.

Its structure, with phrases that ask about things like whether they’re seeing someone or what type they like, is perfect for a surprise-lyrics scenario over LINE.

At the time of release, it topped LINE MUSIC’s daily rankings, and its relatable, true-to-life lyrics captured the hearts of many listeners.

It’s also included on the album “Koku-uta 3: Anata e Okuru Uta 2,” released in February 2019, so why not send it along as a song to convey those fluttering feelings at the start of love?

From Me to Youflumpool

flumpool “Kimi ni Todoke” Music Video

Flumpool is a rock band that has won strong support with its refreshing band sound and pure, heartfelt lyrics.

This work is a fast-paced pop-rock number themed around the feelings you want to convey to someone important and the courage to take a step forward.

Written as the theme song for the film of the same name released in September 2010, it has been loved by many, even reaching No.

2 on the Oricon weekly chart.

The lyrics, which convey genuine feelings in a conversational tone, seem like they could be sent line by line on LINE and still feel like a natural conversation.

They let you deliver the usually embarrassing words “I like you” in a straightforward way.

How about listening to this love song that gives you a push when you need the courage to confess—a perfect pick for a lyrics surprise, too?

SparkleIkuta Rira

Rira Ikuta “Sparkle” Official Music Video

This book, which delicately portrays the bittersweet feelings of unrequited love and a single-minded wish, was created in January 2022 by singer-songwriter Rira Ikuta, who is also active under the name ikura as the vocalist of YOASOBI.

It has been featured as the theme song for shows such as ABEMA’s romance reality series “Kyo, Suki ni Narimashita.

Mikan Arc,” resonating with young people struggling with love.

The phrases brimming with feelings for someone you love are perfect to send on LINE as a lyric prank.

Even while knowing the love won’t come true, this love song’s pure and beautiful depiction of continuing to think of the other person strikes a chord in the heart.

Why not put the honest feelings you can’t usually say into lyrics and send them to someone special?

I want you.Abe Mao

I want you.

This work candidly portrays the single-minded feelings toward someone you love, along with the anxiety and heartache that come with them.

It’s a song included as the B-side to singer-songwriter Mao Abe’s single “Itsu no Hi mo,” released in January 2010, and it was later selected for her best-of album “Abe Mao Best.” It expresses a complex love that holds both a deep affection willing to accept everything about the other person and a fear of losing them.

If you use its lyrics as a playful surprise, you’re sure to make someone’s heart skip a beat.

Try sending its straightforward lines—ones that seem to speak the inexpressible emotions inside you—one by one over LINE.

Why not listen to this moving love song that can give you the courage to confess your feelings, even when you’re inclined to be timid?

Love letterShirahane Reiko

Reiko Shiraha “Love Letter” Music Video

This work is a cover of a punk rock classic, rendered with a delicacy unique to a female vocalist.

Unlike the raw, unbridled passion of the original, the soft, translucent voice gently wraps around the earnest wishes entrusted to a letter.

Written in the first person as “I,” the words addressed to a lover who is no longer by one’s side blend overflowing lingering attachment with deep affection, tightening the chest with every listen.

Released as a single in February 2005, it also became familiar as the ending theme for the TV Asahi drama “Tokumei Kakarichō Tadano Hitoshi.” Reiko Shiraha’s vocals added a profound sense of wistfulness to the drama’s world.

When you’re carrying feelings that won’t reach their destination, or when you want to quietly shed tears alone at night, this song will gently stay by your heart.

Love letternatsuiro matsuri

[Original Song] Love Letter [hololive / Natsuiro Matsuri / Secret Piercing]

This track, which unveils a dark and luscious worldview that overturns her previously cheerful and bright image, is Natsuiro Matsuri’s digital single released in March 2025.

Set to a piano-and-synth sound crafted by Naisho no Pierce, it portrays a deep affection—bordering on possessiveness and obsession—that spills out precisely because it’s written like a letter.

Sung by Natsuiro Matsuri, the piece features a striking vocal performance where cuteness and madness coexist, revealing a different side of her compared to solo songs like “HiHi High Tension!” Conveying an earnest desire to know everything about the other person, it’s a perfect song to savor on nights when you want a more provocative love song than usual.