That Time I Got Reincarnated as a Slime — All Theme Songs

3 Openings · 2 Endings

That Time I Got Reincarnated as a Slime Opening Themes

OP 1Season 1 Part 1

"Nameless Story"

by Takuma Terashima

About the artist: Takuma Terashima is a voice actor and singer. Nameless Story gave Slime Isekai its most optimistic opening — matching Rimuru's early nation-building adventure tone perfectly.
Fan reception:: Well-received for its warm energy. The animation introducing the founding members of the Tempest Federation was a natural fit for the friendship-first narrative.
OP 2Season 1 Part 2

"Meguru mono"

by TRUE

About the artist: TRUE is a Japanese anime vocalist known for emotionally layered performances. Meguru mono accompanied the series' pivot toward larger political conflicts.
Fan reception:: Praised for escalating the emotional register. TRUE's more dramatic style matched the series growing from a village story to a nation-state story.
OP 3Season 2 Part 1

"Storyteller"

by TRUE

About the artist: TRUE returned for Season 2 with a broader, orchestral track matching the expanded scope of Rimuru's growing empire and the impending war.
Fan reception:: Warmly received. The animation of every named Tempest citizen giving Rimuru their power was emotionally effective for viewers who had followed the nation-building from the start.

That Time I Got Reincarnated as a Slime Ending Themes

ED 1Season 1 Part 1

"Another Colony"

by TRUE

About the artist: TRUE's ending brought a gentle, reflective close to episodes that ended with Rimuru solving one problem only to face the next. The lullaby quality suited Rimuru's gentle temperament.
Fan reception:: Beloved for its coziness. The ending became associated with the series' most peaceful pre-conflict moments.
ED 4Season 2 Part 2

"Give Me a Reason"

by Takuma Terashima

About the artist: Terashima's return for the post-Demon Lord awakening closing theme brought an emotional closure to Rimuru's most morally complex arc.
Fan reception:: Appreciated for grounding the aftermath of Rimuru's massacre and resurrection of his subordinates. The personal vocal style suited an arc about personal responsibility.

That Time I Got Reincarnated as a Slime Theme Song — Frequently Asked Questions

What is the That Time I Got Reincarnated as a Slime opening theme song?

The first That Time I Got Reincarnated as a Slime opening theme is "Nameless Story" by Takuma Terashima, playing during Season 1 Part 1. Well-received for its warm energy. The animation introducing the founding members of the Tempest Federation was a natural fit for the friendship-first narrative.

Who sings "Nameless Story" from That Time I Got Reincarnated as a Slime?

"Nameless Story" is performed by Takuma Terashima. Takuma Terashima is a voice actor and singer. Nameless Story gave Slime Isekai its most optimistic opening — matching Rimuru's early nation-building adventure tone perfectly.

What episodes does "Nameless Story" play in That Time I Got Reincarnated as a Slime?

"Nameless Story" by Takuma Terashima is the That Time I Got Reincarnated as a Slime Opening 1, playing during Season 1 Part 1.

Who sings "Meguru mono" from That Time I Got Reincarnated as a Slime?

"Meguru mono" is performed by TRUE. TRUE is a Japanese anime vocalist known for emotionally layered performances. Meguru mono accompanied the series' pivot toward larger political conflicts.

What episodes does "Meguru mono" play in That Time I Got Reincarnated as a Slime?

"Meguru mono" by TRUE is the That Time I Got Reincarnated as a Slime Opening 2, playing during Season 1 Part 2.

Who sings "Storyteller" from That Time I Got Reincarnated as a Slime?

"Storyteller" is performed by TRUE. TRUE returned for Season 2 with a broader, orchestral track matching the expanded scope of Rimuru's growing empire and the impending war.

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