Anisongs that were hits in the 2000s: a nostalgic collection of legendary tracks
We’ve put together a collection of anime songs that anyone who grew up in the 2000s will undoubtedly find nostalgic.
Some are original tracks made for the anime, while others are tie-in songs.
Each and every one of them still sounds fresh today.
There are probably people who discovered these artists through anime, grew to love them, and are still following them now.
We hope this article—and the songs themselves—help you remember those wonderful feelings from back then.
It also works great as a go-to karaoke song list.
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Anime songs that were hits in the 2000s: A nostalgic collection of god-tier tracks (51–60)
Give me an unbalanced kissTakahashi Hiro
This masterpiece expresses a bittersweet yearning for love through delicate imagery—like a crying figure reflected in a cracked mirror and fingers tracing the moon.
Chosen as the ending theme for the beloved classic anime Yu Yu Hakusho, it became a cross-generational favorite, thanks in part to Hiro Takahashi’s clear, translucent vocals.
Since its release in December 1993, it has been included on the albums WELCOME TO POPSICLE CHANNEL and Hiro Takahashi Best Collection, selling around 300,000 copies.
Its sweetly aching, love-like melody and arrangements that evoke the spirit of 1970s kayōkyoku create a gentle mood reminiscent of a romantic film soundtrack.
Savor this heartwarming song—one to treasure as a cherished memory.
RealizeTamaki Nami
This is Nami Tamaki’s second single, released in July 2003 as the fourth opening theme for Mobile Suit Gundam SEED.
It reached No.
3 on the Oricon Weekly Chart.
The lyrics, themed around hope for the future and a strong will to overcome hardship, pair perfectly with the upbeat sound that blends electronic elements and dance beats.
Its powerful melody conveys the grand worldview of a story set in space.
It’s the perfect song when you need the courage to face a challenge or take a new step forward.
Getchu! Love-love?!Gojō Mayumi
This is the ending theme of the anime Futari wa Pretty Cure, overflowing with cute charm.
Sung by Mayumi Gojo, it’s a single released in 2004 that beautifully captures the sparkle of teenage feelings.
Its positive, adorable message—choosing romance over stress and hugging over fighting—resonates over a lively pop sound.
Give it a listen when you want to feel happy.
Re:memberFLOW
FLOW’s anime tie-up song themed around hope for the future and rebirth features striking, powerful guitar riffs and energetic twin vocals.
The lyrics, born from the band members’ experiences overcoming trials, carry a determination to move forward without forgetting the past and a message about the importance of walking together with your companions.
Released in May 2006 and used as the eighth opening theme for the TV anime Naruto, the song reached No.
12 on the Oricon charts and stayed on the charts for eight consecutive weeks.
It is also included on the album FLOW ANIME BEST Kiwami and remains a staple at their live shows.
It’s a recommended track for those who want to sing nostalgic anime songs or cherish memories with friends.
Anime songs that were hits in the 2000s: A nostalgic collection of legendary tracks (61–70)
DAYBREAK’S BELLL’Arc〜en〜Ciel
With its grand melody and profound message, this song is a gem of rock that leaves a deep impression on listeners.
It masterfully fuses L’Arc~en~Ciel’s distinctive sound with lyrics themed around anti-war sentiment and love for humanity.
The intricate drum and guitar rhythm patterns, along with a youthful arrangement reminiscent of their indie days, are also striking.
Released in October 2007, the track was chosen as the opening theme for Season 1 of the anime Mobile Suit Gundam 00 and topped the Oricon Weekly Singles Chart.
It was also included on the album KISS, capturing the hearts of a wide audience from rock fans to anime enthusiasts.
For those who grew up loving anime and the Gundam series, it is surely a song that resonates even more deeply.
BelieveTamaki Nami
This is the memorable debut single by Nami Tamaki, who made her debut in 2003 at the young age of 15.
The song was selected as the opening theme for the third cour of the TV anime Mobile Suit Gundam SEED and made a striking debut by reaching as high as No.
5 on the Oricon Weekly Chart.
Its fast-paced, trance-influenced J-pop sound blends perfectly with Tamaki’s powerful vocals, and as an anthem about maintaining hope even in the midst of battle, it has continued to be beloved by many fans.
It’s a song that gives you a push forward when you need the courage to believe in yourself and move ahead.
O2ORANGE RANGE
As the first opening theme for the anime Code Geass: Lelouch of the Rebellion R2, a powerful track was born that weaves mixture rock into a J-pop foundation.
Even among ORANGE RANGE’s works, YAMATO’s striking high-range vocals stand out, and the contrast with RYO’s low vocals gives the piece a sense of breaking new ground.
With a message layered over the chemical formula for oxygen and themes that synchronize with the protagonist’s rebellion and pursuit of freedom, the song reached No.
3 on the Oricon Weekly Chart after its release in May 2008.
It was included on the albums PANIC FANCY and ALL the SINGLES, and has continued to be loved through diverse arrangements, including covers in games such as THE iDOLM@STER and World Dai Star.
In karaoke, its energetic progression and memorable chorus make it a song that greatly lifts the singer’s spirits.