With the spring anime season of 2025 now ended, let’s take this opportunity to wrap it up by looking at our top 10 favorite anime opening theme songs! To ensure these are truly the best picks, we focused solely on the music itself, trying to stay unbiased and setting aside the popularity of the anime.

Let’s dive in and see what songs made it to our list, presented in no particular order. If you think we missed any, feel free to share your favorites in the comments below!

BLADE

BLUE ENCOUNT

CDJapan

OTOTOY

The song Blade by BLUE ENCOUNT is an uplifting track that gradually builds intensity, hitting full force in the chorus to capture the classic essence of the shounen vibe of determination.

In the anime Shin Samurai-Den Yaiba’s second cour, the band returned with an alternative version of the song, “Blade -Kizuna ver.-”, featuring updated lyrics that reflect the story’s new focus on character relationships.

Kekka Orai EP

けっかおーらい

Kocchi No Kento

CDJapan

OTOTOY

Kekka Alright shines as a song with rapid-fire verses and funky energy, an ideal match for an anime about a rising hero. Its punchy rhythm mirrors the uplifting, urban flair of the anime Vigilantes. Notably, the opening marks the anime debut of singer-songwriter Kocchi no Kento, also known for his hit single Hai Yorokonde.

INERTIA

Sawano Hiroyuki

CDJapan

OTOTOY

Sawano Hiroyuki’s INERTIA is a slow-burning song but captures you with an infectious chorus. Its futuristic soundscape and the enigmatic progression align seamlessly with the dark atmosphere of the action anime To Be Hero X. Composer Sawano Hiroyuki strikes the listener with his signature synth-driven melodies, joined by vocalist Rei from Japanese band Newspeak.

Watch me!

YOASOBI

CDJapan

OTOTOY

The popular duo YOASOBI continues their streak of catchy, pop-driven anime songs. With the track “Watch Me!”, it bursts with playful charm, echoing the whimsical tone of the comedy anime Witch Watch. It feels like a sonic daydream, capable of flipping your mood in seconds with its radiant energy.

Ready to Rock

BAND-MAID

OTOTOY

BAND-MAID has by this point earned its place in the heart of the anime community through explosive opening themes. With the opening theme Ready to Rock, it is no exception. The track packs an energetic performance with blistering guitar work that makes you want to mosh. The fact that both the anime’s fictional band and BAND-MAID are all-female groups only amplifies the song’s impact, reinforcing its empowering vibe.

We have a previous interview with BAND-MAID in case you’re interested in learning more about the group. Not only that, but we have an exclusive one-on-one interview with BAND-MAID’s rhythm guitarist, Miku Kobato, here.

Summertime Ghost

サマータイムゴースト

Suiyoubi No Campanella

iTunes

Suiyoubi no Campanella strikes with the song Summertime Ghost for the mysterious anime, Kowloon Generic Romance. Layered with the group’s distinctive blend of EDM and electro-pop, it becomes an addictive and atmospheric experience.

Kaseijin

火星人

Yorushika

OTOTOY

The song Kaseijin by Yorushika features a laid-back groove while showcasing their signature blend of subtle jazz elegance, resulting in an upbeat yet tender sound. It also exudes a coffeehouse charm that beautifully captures the spirit of both the anime and the duo’s musical identity.

Kusushiki

クスシキ

Mrs. Green Apple

Mrs. GREEN APPLE‘s Kusushiki bursts with energy right from the start, delivering a dynamic song that shifts naturally between joy and emotional struggle, much like anime itself.

Shitsumon, Koi Tte Nan Deshou Ka?

質問、恋って何でしょうか？

HaKoniwalily , HoneyWorks

OTOTOY

HoneyWorks makes a strong impression with the delightfully bubbly track, “Shitsumon, Koi Tte Nan Deshou Ka?”. Featuring vocals by the duo HaKoniwaLily, the song feels as if it’s sung from the perspective of the anime characters themselves. With its catchy hooks and vibrant choreography, it’s the kind of theme that will have you dancing along in no time.

Provoke

[Alexandros]

CDJapan

OTOTOY

The Uma Musume franchise launched the opening song Koeru, surprising fans with a twist! Instead of following the anime tradition of joyful openings sung by the voice cast, this time they opted for a bittersweet track performed by the rock band [Alexandros]. The opening theme song is one that slowly builds up to an empowering chorus, creating a stirring and uplifting piece that pushes you forward.

If you are interested in learning more about [Alexandros], read our interview here.

What songs did we miss? Let us know in the comments below!