Overflowing with happiness! A mutual-love song with great lyrics
Are you in love?
Whether you’re a couple in that everything-is-fun early stage or one that really understands each other, why not listen to some “mutual love songs”?
In this article, we’ll introduce songs that capture a range of feelings—like the joy of knowing the person you love loves you back and the chance to reaffirm your feelings for someone precious.
We’ve gathered many feel-good tracks that are perfect for message videos on anniversaries or as wedding BGM!
Listen to the songs we’re about to introduce, refresh those important feelings you should never forget, and may you always be able to stay honest with the person you love so much!
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- Mutual Love Songs: Recommended for Middle Schoolers! Popular Tracks that Portray Bittersweet Romance
- Back Number’s Mutual Love Songs: Popular Song Ranking [2026]
- [Songs to Hear on Anniversaries] Love Songs for Couples That Deepen Your Bond
- [Lovey-Dovey!] A Special Feature on Vocaloid Mutual Love Songs
Overflowing with happiness! Great-lyrics mutual love songs (11–20)
Happy Endingback number
This song was chosen as the theme for the film “My Tomorrow, Your Yesterday,” which portrays a heartrending love story.
Its poignant, heart‑tightening lyrics and beautiful melody leave a strong impression.
Released in November 2016 as back number’s 16th single, it was written and composed by Iyori Shimizu.
The music video features Tori Matsuzaka and Haruna Kawaguchi, and its delicate depiction of the pain of long-distance relationships and the struggle of parting drew significant attention.
If you’ve experienced a breakup or are troubled about a relationship with someone important, this is a song that will speak to your heart—please give it a listen.
loveHoshino Gen
It became a hit as the theme song for the drama “We Married as a Job” (Nigeru wa Haji da ga Yaku ni Tatsu), and the “Koi Dance,” performed by the cast in the ending, exploded in popularity—you must have seen and heard it everywhere in dance videos and events.
While the dance tends to steal the spotlight, the lyrics of this song are actually quite thought-provoking and philosophical.
Despite the title “Koi” (Love), it never uses words like “I like you” or “I love you,” giving it a slightly mature and quietly wistful atmosphere.
Even if we get married somedayMy Hair is Bad
Among My Hair is Bad’s songs, this one is rare: a gentle track overflowing with a sense of happiness.
Its medium-tempo, soft melody carries lyrics that may seem a bit cynical at first glance but actually express very straightforward feelings.
If two people truly care for each other, they can understand one another without putting it into form—this heartwarming song captures that deep kind of relationship.
GOOD NIGHT BABYaimyon
Aimyong is especially popular among young women, but she has fans across a wide range of ages.
Her vocal ability and expressiveness are outstanding, which makes her popularity easy to understand.
The song “GOOD NIGHT BABY” captures that slightly frustrating feeling that comes with mutual love—the kind of exchanges that happen precisely because both people feel the same.
Yet it clearly conveys how deeply they love and are loved.
It also somehow carries a faint sense of nostalgia, making it a track that likely resonates with older generations as well.
To my belovedGReeeeN
This song has earned broad support across generations and has become a classic that speaks for two people who are now mutually in love.
In addition to being featured as a drama insert song, it’s a popular track included on numerous albums.
The lyrics, which convey mutual care and hope for a future walked together, pair beautifully with a gentle, heartwarming vocal.
Listening to this song and pledging, “We’ll be together from now on,” is sure to sweep away any anxieties.
Since its release in August 2013, it has continued to resonate with many couples—a true love song for soulmates.
Love SongGReeeeN
Ai Uta, the third single by GReeeeN released in 2007.
This long-selling track is a staple as a love song about mutual feelings.
It has many cover versions and is beloved by numerous artists as an easy-to-listen-to song.
How about listening closely to the lyrics and taking the opportunity to reaffirm your honest feelings for each other?
Overflowing with happiness! Great-lyrics mutual love songs (21–30)
Old-fashionedback number
A love song chosen as the theme for the drama “A Love to Die For (An Incurable Case of Love)” that portrays a straightforward devotion to someone special.
It’s a heartwarming track that seems to gently gather up every bit of the kindness “you” have shown until now.
It conveys how even the smallest moments can strengthen the powerful bond between the two.