Theme songs and insert songs of Sword Art Online

Overfly（ED）Luna Haruna

Haruna Luna - Overfly

The ending theme for Season 2’s Fairy Dance arc, episodes 15–25.

As the story unfolds, it became a fan-favorite track that uses the image of a bird to express Asuna’s faint, bittersweet feelings as she’s confined in a birdcage, waiting for Kirito’s help.

Lyrics like “Even so, I search for the meaning of living in this world” and “In the end, it’s all up to me” reflect Asuna’s inner conflict.

Startear（ED）Luna Haruna

Luna Haruna 'Startear MV (short ver.)'

The ending theme for Season 3 Phantom Bullet, episodes 2 through 14.

5.

The opening line, “I wished to become stronger and stronger, to overcome sorrow,” encapsulates everything.

As the story progresses, Shinon’s painful past and her struggle with herself are revealed, making this a poignant song that expresses these themes even more vividly than the opening.

INNOCENCE（OP）Eir Aoi

Eir Aoi 'INNOCENCE (Music Video) Short Ver.'

The opening theme for Season 2’s Fairy Dance arc, episodes 15–25.

Like the Aincrad arc, it’s powerful, but following the flow of the story it carries a slightly tumultuous mood.

With dark lyrics sprinkled throughout—such as “wandering in darkness” in the first verse—it remains an upbeat track that reaches out toward hope.

I Know “ai”Yui

YUI • I Know [Traducción al Español]

A character song for Yui, the heroine who plays a pivotal role in the story and appears midway through the Aincrad arc in Season 1 as an artificial intelligence (A.

I.

).

Though an A.

I.

, she possesses emotions.

She calls Kirito “Papa” and Asuna “Mama,” and this song overflows with the affection of someone who adores them as if they were her real parents.

Cheer! Tear? Cheer!!Lisbeth

Sao season1 Lisbeth song(cheer teer cheer)

This is Lisbeth’s character song, brimming with energy as it sings about friendship and love.

The lyrics carry the message “Let’s share our heartfelt feelings,” and Ayahi Takagaki’s cute yet powerful vocals are especially captivating.

Released in August 2014, it was included on the bonus CD that came with the Blu-ray of the anime Sword Art Online.

It’s a recommended track for when you want to feel positive or cheer on someone important to you.

Listening to this song will surely fill you with energy and courage!

Yume no Sekai (Ending Theme)Haruka Tomatsu

Dream World

This is the ending theme of the TV anime Sword Art Online, notable for Haruka Tomatsu’s beautifully clear vocals.

The lyrics, which convey a strong desire not to let go of dreams and hope, perfectly match the anime’s worldview.

Released in July 2012 as Tomatsu’s ninth single, it reached No.

13 on the Oricon Weekly Singles Chart.

The gentle tone and slightly wistful melody skillfully express the heroine’s feelings as she worries about the protagonist while still encouraging him forward.

It’s a recommended track not only for anime fans, but also for anyone who wants to feel the ache of unrequited love and hope for the future.

Shirushi (ED)LiSA

LiSA 'Shirushi - MUSIC CLIP short ver. -'

The ending song for Season 5, Mother’s Rosario arc, episodes 18–24.

It’s SAO’s greatest masterpiece, expressing the feelings of Yuuki—Season 5’s heroine—her meeting and adventures with Asuna, and her journey toward death, culminating in a sorrowful yet fulfilling end.

The scenes in the latter half where this song plays are impossible to talk about without tears.