RAG MusicKARAOKE
Lovely karaoke song

Songs with titles starting with “Ko” [Great for karaoke and shiritori, too!]

There are many song titles that start with “ko,” featuring familiar words like “koi” (love) and “kokoro” (heart).

The range is really broad, but even just branching out from “koi” will lead you to lots of songs!

From era-defining hit tunes and more.

Sometimes nothing comes to mind right away and you want to look some up…!

So we’ve put together a list of song titles that start with “ko,” which might come in handy at such times.

Feel free to use it not only when you’re curious about what songs begin with “ko,” but also as inspiration for shiritori or choosing songs at karaoke.

Songs with Titles Starting with “Ko” [Great for Karaoke & Shiritori!] (21–30)

Call me, Tell meNEW!SWEET STEADY

[2nd Single CD Release Commemoration] SWEET STEADY “Call me, Tell me” Special Video ver.
Call me, Tell meNEW!SWEET STEADY

A SWEET STEADY track that poppily captures an overflowing crush trying to connect with the one they like over the phone.

Its breezy hyper-Y2K sound, evoking 2000s culture, and a world full of wordplay that recalls communication and radio waves really grab your heart, don’t they? Released in May 2024, the song was written and composed by Hiroaki Suzuki.

It’s also become one of the group’s signature numbers, with a newly recorded version included on the single “YAKIMOCHI / Good Job!” set for release in August 2025.

Can’t you feel the flutter of romance just by listening? It’s a perfect pop tune for lifting your mood or shouting along at a live show.

Kotonoha – KotonohaNEW!tuki.

tuki. “Kotonoha” Official Music Video
Kotonoha - KotonohaNEW!tuki.

A song overflowing with kindness that gently nurtures the heart while thinking about a loved one’s future.

Centered on the power of words that take time to take root in the heart, this track was created by tuki.

Its ballad-style approach, which makes the most of the space between melody and lyrics, quietly resonates in the listener’s chest.

Released in January 2026, the song was written as the theme for the drama “There’s No Mistake, He’s My Husband.” It carries a sense of gentle accompaniment that closely follows the story’s developments, captivating many listeners through the tie-in.

It’s perfect for those who want to face their inner pain and tears with a positive outlook.

Give it a listen on nights when you feel the tremors of human relationships or when you want to take time to face your own heart.

Songs with Titles Starting with “Ko” [Great for Karaoke & Shiritori!] (31–40)

From the season that feels like it will freezeNEW!Aimer

Aimer “From the Freezing Season” — Opening theme for TV Asahi’s Friday Night Drama ‘Stealing Love, Winter’
From the season that feels like it will freezeNEW!Aimer

A winter song by Aimer that sings of a poignant heart trapped in an irreversible flow of time amid an icy cold.

Released in February 2017, it was chosen as the opening theme for the TV drama “Love Theft, Winter,” whose love-and-hate twists drew much attention.

An extended version was later included on her best album “BEST SELECTION ‘noir,’” and this work stands as a symbol of the darker side of her discography that carves deeply into the emotions.

Even knowing it won’t be rewarded, one cannot sever the obsession and lingering attachment that continue to burn deep inside.

It’s a quiet companion for those who bear the pain of a secret love they cannot tell anyone about.

In loveNEW!HY

HY - “In Love” (Theme song for the film ‘366 Days’) Music Video
In loveNEW!HY

A jewel-like ballad that gives you the courage to take one step forward from the depths of sorrow at the end of a secret love you can’t tell anyone about.

HY, a band from Okinawa, wrote it as the theme song for the film “366 Days,” released in January 2025.

The track was released in December 2024 and is also included on the album “TIME,” which came out in January 2025.

Created as an answer song 16 years after the masterpiece “366 Days,” which etched the pain of unrequited love, this work features beautiful male and female harmonies that resonate together, gently affirming that even deeply wounding experiences have meaning.

It’s a song that will likely resonate with those who, while carrying the memories of a love that brought no reward, are trying to face forward and start walking again.

ConcealerNEW!SUPER★DRAGON

Even if it means piling on lies and secrets, I want to protect the relationship we have now.

This SUPER★DRAGON track captures that desperate feeling closing in on your heart.

The quiet anxiety of someone living while hiding memories and emotions from the past surges alongside a bass-driven sound.

Released in November 2025, it was chosen as the ending theme for the TV drama “You Are the One at Fault.” Highlighting the dark aesthetic the group has cultivated since the album “SUPER X,” the song meshes perfectly with the mood of a love-and-hate drama.

It’s recommended for anyone burdened with an unshareable secret, yet irresistibly drawn into a forbidden love.

When you know it’s not allowed but still can’t cut ties, this is a song that gently stays close to your heart.

Heart Throbsnobobyknows̟+

nobodyknows+ – Kokoro Odoru / THE FIRST TAKE
Heart Throbsnobobyknows̟+

An instantly uplifting upper-tune! With its bouncy beat and ear-catching hook, the way multiple MCs pass the mic one after another delivers a strong live feel.

This track, known as one of nobodyknows+’s signature works, captivates with its upbeat, celebratory sound.

Released in May 2004 as their third single, it became a major hit after being chosen as the ending theme for the anime SD Gundam Force.

It was later included on the classic album Do You Know?.

In 2022, a performance in video content sparked buzz, helping it gain popularity among younger listeners.

It’s the perfect song to boost your mood or to get everyone hyped at karaoke!

When I Fall in LovePenthouse

Penthouse – ...If We Fall in Love [Official Music Video]
When I Fall in LovePenthouse

A pop number that charmingly captures the fluttering emotions of falling in love through a dual male-female vocal, rendered three-dimensionally like a conversational play.

It’s packed with the appeal of Penthouse, a Tokyo-based band whose refined city-pop sensibilities feel effortlessly comfortable.

Blending an urbane band ensemble with accessible melodies to exquisite effect, this track was released in May 2021 and was later included on their major-label debut EP, “Living Room,” becoming one of their signature songs that greatly broadened their recognition.

Even without a tie-in, it won the hearts of many listeners.

With its exceptionally smooth handoff between vocals, why not invite someone you’re interested in—or a friend—and try singing it together at karaoke, sharing the mic?