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[2026] Summary of Opening, Ending, and Insert Songs from That Time I Got Reincarnated as a Slime

Beloved as the very byword for isekai reincarnation fantasy—and widely known by its nickname “Tensura”—That Time I Got Reincarnated as a Slime.

Each time the franchise expands, from the TV anime series to side stories and even a feature film, the opening and insert songs that color the story set our hearts racing.

A track that swells during an epic battle, a song that gently wraps around the bonds between characters—these pieces, which resonate deeply with the world of the series, instantly rekindle that excitement and emotion the moment you listen.

In this article, we’ll take a broad look at the history of Tensura’s theme and insert songs.

Come along with us on a journey to find your new favorite track!

[2026] That Time I Got Reincarnated as a Slime Theme and Insert Songs Compilation (11–20)

Miracle soupNEW!MindaRyn

MindaRyn – Miracle soup (“That Time I Got Reincarnated as a Slime Season 3” 2nd ED) | Music Video
Miracle soupNEW!MindaRyn

It’s a very warm ending theme that stays true to the anime’s world.

Using intimate metaphors, it expresses a miraculous bond born from the blending of diverse personalities.

With a gentle country sound, it’s soothing to listen to.

This is the song chosen as the ending theme for season 3 of the anime “That Time I Got Reincarnated as a Slime.” Sung by MindaRyn, a singer from Thailand, it was released in June 2024 and later included on the album “AcrossMiles,” released in August of the same year.

It’s perfect for times when you want to cherish the bonds with your friends or when you’re in the mood to relax.

Highly recommended for those who want to be wrapped in pleasant, acoustic tones.

Please give it a listen while thinking of someone dear to you.

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PEACEKEEPERNEW!STEREO DIVE FOUNDATION

A rock number where a sense of speed surges and beautiful piano melodies intertwine.

With an ensemble that blends a digital texture, it splendidly conveys a grand worldview.

Its deep theme—depicting the resolve to preserve peace and the turmoil of irreconcilable emotions—is compelling.

Chosen as the opening theme for the TV anime That Time I Got Reincarnated as a Slime Season 3, this track was produced by STEREO DIVE FOUNDATION, the solo project of R・O・N, and released as a single in May 2024.

Having worked on music for the same series in the past, it carries a persuasive power born from years of closeness to the work.

It’s a song you’ll want to hear when you’re set on staying true to your convictions.

Its exhilarating tempo gives you a push on the back and the energy to move forward.

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Renaselle SerenadeNEW!Momoiro Kurōbā Zetto

Momoclo [MV] Renacer Serenade -MUSIC VIDEO- (TV Anime “That Time I Got Reincarnated as a Slime” Season 3 Opening Theme, Part 2)
Renaselle SerenadeNEW!Momoiro Kurōbā Zetto

A glamorous, dramatic anime-pop track that blends a bouncing beat with a light, airy melody line.

Even while hurt, the determination to keep moving forward toward the future is woven throughout the song.

Chosen as the opening theme for the TV anime That Time I Got Reincarnated as a Slime Season 3, this piece was released by Momoiro Clover Z in August 2024 as their 22nd single.

It also drew attention for having lyrics and composition by Motoki Ohmori of Mrs.

GREEN APPLE.

The group’s signature euphoria meshes perfectly with the story’s grand sense of scale.

It’s a must-listen for anyone looking to take on something new and soak up some positive energy.

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ReincarnateNEW!Terashima Takuma

Takuma Terashima / “Reincarnate” Music Clip (“That Time I Got Reincarnated As a Slime” ED)
ReincarnateNEW!Terashima Takuma

An emotional rock tune that quietly embraces the aftermath of an intense battle, conveying the will to move forward by overcoming pain and loss.

While rooted in anime songs, it captivates with a sound that expands dramatically.

Takuma Terashima, who is also active as a voice actor, wrote the lyrics himself, and the track was released in August 2021 as his 11th single.

It was chosen as the ending theme for Part 2 of the second season of the anime “That Time I Got Reincarnated as a Slime.” The song’s clear, translucent vocals perfectly match the epic worldview of the story.

It’s a must-listen for those who want to overcome hardships and take a new step forward, or who wish to heal their hearts and rise again!

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BelieverNEW!Kurosu Rin

Rin Kurusu “Believer” Music Video
BelieverNEW!Kurosu Rin

The theme blends a gentle, non–up-tempo ballad feel with a poignant yet forward-looking resolve to express one’s feelings even if they don’t reach the other person—it’s truly moving.

The song’s worldview is beautifully conveyed through a natural, life-sized vocal performance where you can even sense the singer’s breath.

This track was selected as the ending theme for the TV anime That Time I Got Reincarnated as a Slime Season 3 and is a single sung by Rin Kurusu, who is making great strides as a voice-actor artist, released in May 2024.

It is also slated to be included on the album THIS IS RIN, to be released in March 2026.

It’s an anime song you’ll want to hear when you’d like to quietly sort through your emotions after watching an epic anime, or when you’re seeking a gentle voice that stays close to your heart.

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In conclusion

The theme and insert songs that color the theatrical films and side stories of That Time I Got Reincarnated as a Slime are filled with tracks that seem to capture the story’s very intensity. Some moments resonate in your chest precisely because you hear them on the big screen, while others are tunes you might find yourself humming in everyday life, letting you linger in the afterglow of the work. If a song catches your attention, be sure to savor it together with the visuals, again and again. The emotion born from music intertwining with the story will surely never fade.